| Abies firma | Siebold & Zucc. | Pinaceae | 8 |
| Abies homolepis | Siebold & Zucc. | Pinaceae | 8 |
| Abies veitchii | Lindl. | Pinaceae | 8 |
| Abildgaardia ovata | (Burm.f.) Kral | Cyperaceae | 8 |
| Abrodictyum obscurum | (Blume) Ebihara & K.Iwats. | Hymenophyllaceae | 8 |
| Acalypha australis | L. | Euphorbiaceae | 8 |
| Acer argutum | Maxim. | Sapindaceae | 8 |
| Acer carpinifolium | Siebold & Zucc. | Sapindaceae | 8 |
| Acer diabolicum | Blume ex K.Koch | Sapindaceae | 8 |
| Acer micranthum | Siebold & Zucc. | Sapindaceae | 8 |
| Acer palmatum | Thunb. | Sapindaceae | 8 |
| Acer pictum | Thunb. | Sapindaceae | 8 |
| Acer rufinerve | Siebold & Zucc. | Sapindaceae | 8 |
| Acer shirasawanum | Koidz. | Sapindaceae | 8 |
| Acer tataricum | L. | Sapindaceae | 8 |
| Acer ukurunduense | Trautv. & C.A.Mey. | Sapindaceae | 8 |
| Achillea alpina | L. | Asteraceae | 8 |
| Achillea ptarmica | L. | Asteraceae | 8 |
| Achillea ptarmicoides | Maxim. | Asteraceae | 8 |
| Achnatherum pekinense | (Hance) Ohwi | Poaceae | 8 |
| Achyranthes bidentata | Blume | Amaranthaceae | 8 |
| Aconitum senanense | Nakai | Ranunculaceae | 8 |
| Aconitum volubile | Koelle | Ranunculaceae | 8 |
| Acorus calamus | L. | Acoraceae | 8 |
| Acorus gramineus | Aiton | Acoraceae | 8 |
| Actaea asiatica | Hara | Ranunculaceae | 8 |
| Actaea rubra | (Aiton) Willd. | Ranunculaceae | 8 |
| Actaea simplex | Prantl | Ranunculaceae | 8 |
| Actinidia arguta | Miq. | Actinidiaceae | 8 |
| Actinidia kolomikta | Maxim. | Actinidiaceae | 8 |
| Actinidia polygama | (Siebold & Zucc.) Planch. ex Maxim. | Actinidiaceae | 8 |
| Actinidia rufa | Franch. & Sav. | Actinidiaceae | 8 |
| Actinodaphne acuminata | (Blume) Meisn. | Lauraceae | 8 |
| Adenocaulon himalaicum | Edgew. | Asteraceae | 8 |
| Adenophora divaricata | Franch. & Sav. | Campanulaceae | 8 |
| Adenophora pereskiifolia | G.Don | Campanulaceae | 8 |
| Adenophora remotiflora | (Siebold & Zucc.) Miq. | Campanulaceae | 8 |
| Adenophora triphylla | (Thunb.) A.DC. | Campanulaceae | 8 |
| Adenostemma lavenia | (L.) Kuntze | Asteraceae | 8 |
| Adiantum capillus-veneris | L. | Pteridaceae | 8 |
| Adiantum diaphanum | Blume | Pteridaceae | 8 |
| Adiantum flabellulatum | L. | Pteridaceae | 8 |
| Adiantum monochlamys | D.C.Eaton | Pteridaceae | 8 |
| Adina pilulifera | (Lam.) Franch. ex Drake | Rubiaceae | 8 |
| Adina racemosa | (Siebold & Zucc.) Miq. | Rubiaceae | 8 |
| Adonis amurensis | Regel & Radde | Ranunculaceae | 8 |
| Adoxa moschatellina | L. | Viburnaceae | 8 |
| Aegilops cylindrica | Host | Poaceae | 8 |
| Aeginetia indica | L. | Orobanchaceae | 8 |
| Aegopodium alpestre | Ledeb. | Apiaceae | 8 |
| Aegopodium decumbens | (Thunb.) Pimenov & Zakharova | Apiaceae | 8 |
| Aeschynomene indica | L. | Fabaceae | 8 |
| Aesculus turbinata | Blume | Sapindaceae | 8 |
| Agastache rugosa | (Fisch. & C.A.Mey.) Kuntze | Lamiaceae | 8 |
| Agrimonia pilosa | Ledeb. | Rosaceae | 8 |
| Agrostis clavata | Trin. | Poaceae | 8 |
| Agrostis scabra | Willd. | Poaceae | 8 |
| Ainsliaea fragrans | Champ. ex Benth. | Asteraceae | 8 |
| Ajania pacifica | (Nakai) K.Bremer & Humphries | Asteraceae | 8 |
| Ajuga decumbens | Thunb. | Lamiaceae | 8 |
| Ajuga nipponensis | Makino | Lamiaceae | 8 |
| Ajuga pygmaea | A.Gray | Lamiaceae | 8 |
| Akebia quinata | (Thunb. ex Houtt.) Decne. | Lardizabalaceae | 8 |
| Akebia trifoliata | (Thunb.) Koidz. | Lardizabalaceae | 8 |
| Alangium platanifolium | (Siebold & Zucc.) Harms | Cornaceae | 8 |
| Albizia julibrissin | Durazz. | Fabaceae | 8 |
| Aldrovanda vesiculosa | L. | Droseraceae | 8 |
| Aletris spicata | (Thunb.) Franch. | Nartheciaceae | 8 |
| Aleuritopteris argentea | (S.G.Gmel.) Fée | Pteridaceae | 8 |
| Aleuritopteris chusana | (Hook.) Windham & Schuettp. | Pteridaceae | 8 |
| Alisma plantago-aquatica | L. | Alismataceae | 8 |
| Allium macrostemon | Bunge | Amaryllidaceae | 8 |
| Allium ochotense | Prokh. | Amaryllidaceae | 8 |
| Allium sacculiferum | Maxim. | Amaryllidaceae | 8 |
| Allium schoenoprasum | L. | Amaryllidaceae | 8 |
| Allium splendens | Willd. ex Schult. & Schult.f. | Amaryllidaceae | 8 |
| Alniaria alnifolia | (Siebold & Zucc.) Rushforth | Rosaceae | 8 |
| Alnus alnobetula | (Ehrh.) K.Koch | Betulaceae | 8 |
| Alnus hirsuta | (Spach) Rupr. | Betulaceae | 8 |
| Alnus japonica | (Thunb.) Steud. | Betulaceae | 8 |
| Alnus maximowiczii | Callier | Betulaceae | 8 |
| Alnus sieboldiana | Matsum. | Betulaceae | 8 |
| Alocasia odora | (G.Lodd.) Spach | Araceae | 8 |
| Alopecurus aequalis | Sobol. | Poaceae | 8 |
| Alpinia formosana | K.Schum. | Zingiberaceae | 8 |
| Alpinia intermedia | Gagnep. | Zingiberaceae | 8 |
| Alpinia zerumbet | (Pers.) B.L.Burtt & R.M.Sm. | Zingiberaceae | 8 |
| Alsophila spinulosa | (Hook.) R.M.Tryon | Cyatheaceae | 8 |
| Alternanthera sessilis | (L.) DC. | Amaranthaceae | 8 |
| Amauropelta beddomei | (Baker) Y.H.Chang | Thelypteridaceae | 8 |
| Amauropelta glanduligera | (Kunze) Y.H.Chang | Thelypteridaceae | 8 |
| Amethystea caerulea | L. | Lamiaceae | 8 |
| Ammannia multiflora | Roxb. | Lythraceae | 8 |
| Ampelopsis glandulosa | (Wall.) Momiy. | Vitaceae | 8 |
| Amphicarpaea edgeworthii | Benth. | Fabaceae | 8 |
| Anaphalis alpicola | Makino | Asteraceae | 8 |
| Anaphalis margaritacea | (L.) Benth. & Hook.f. | Asteraceae | 8 |
| Andromeda polifolia | L. | Ericaceae | 8 |
| Androsace lehmanniana | Spreng. | Primulaceae | 8 |
| Androsace umbellata | (Lour.) Merr. | Primulaceae | 8 |
| Anemonastrum dichotomum | (L.) Mosyakin | Ranunculaceae | 8 |
| Anemonastrum flaccidum | (F.Schmidt) Mosyakin | Ranunculaceae | 8 |
| Anemonastrum narcissiflorum | (L.) Holub | Ranunculaceae | 8 |
| Anemonoides amurensis | (Korz.) Holub | Ranunculaceae | 8 |
| Anemonoides nikoensis | (Maxim.) Holub | Ranunculaceae | 8 |
| Anemonoides pseudoaltaica | (Hara) Holub | Ranunculaceae | 8 |
| Angelica cincta | H.Boissieu | Apiaceae | 8 |
| Angelica dahurica | (Hoffm.) Benth. & Hook.f. ex Franch. & Sav. | Apiaceae | 8 |
| Angelica genuflexa | Nutt. | Apiaceae | 8 |
| Angelica japonica | A.Gray | Apiaceae | 8 |
| Angelica lucida | L. | Apiaceae | 8 |
| Angelica pubescens | Maxim. | Apiaceae | 8 |
| Angiopteris lygodiifolia | Rosenst. | Marattiaceae | 8 |
| Anisocampium niponicum | (Mett.) Yea C.Liu, W.L.Chiou & M.Kato | Athyriaceae | 8 |
| Anodendron affine | (Hook. & Arn.) Druce | Apocynaceae | 8 |
| Antennaria dioica | (L.) Gaertn. | Asteraceae | 8 |
| Anthoxanthum monticola | (Bigelow) Veldkamp | Poaceae | 8 |
| Anticlea sibirica | (L.) Kunth | Melanthiaceae | 8 |
| Antidesma japonicum | Siebold & Zucc. | Phyllanthaceae | 8 |
| Aphananthe aspera | (Thunb.) Planch. | Cannabaceae | 8 |
| Aquilegia buergeriana | Siebold & Zucc. | Ranunculaceae | 8 |
| Aquilegia oxysepala | Trautv. & C.A.Mey. | Ranunculaceae | 8 |
| Aquilegia viridiflora | Pall. | Ranunculaceae | 8 |
| Arabidopsis halleri | (L.) O'Kane & Al-Shehbaz | Brassicaceae | 8 |
| Arabidopsis lyrata | (L.) O'Kane & Al-Shehbaz | Brassicaceae | 8 |
| Arabidopsis thaliana | (L.) Heynh. | Brassicaceae | 8 |
| Arabis hirsuta | (L.) Scop. | Brassicaceae | 8 |
| Arabis serrata | Franch. & Sav. | Brassicaceae | 8 |
| Arachniodes amabilis | (Blume) Tindale | Dryopteridaceae | 8 |
| Arachniodes cornucervi | (D.Don) Fraser-Jenk. | Dryopteridaceae | 8 |
| Arachniodes miqueliana | (Maxim. ex Franch. & Savat.) Ohwi | Dryopteridaceae | 8 |
| Arachniodes rhomboidea | (Wall. ex Mett.) Ching | Dryopteridaceae | 8 |
| Arachniodes simplicior | (Makino) Ohwi | Dryopteridaceae | 8 |
| Arachniodes standishii | (T.Moore) Ohwi | Dryopteridaceae | 8 |
| Aralia cordata | Thunb. | Araliaceae | 8 |
| Aralia elata | (Miq.) Seem. | Araliaceae | 8 |
| Arctium lappa | L. | Asteraceae | 8 |
| Arctopoa eminens | (J.Presl) Prob. | Poaceae | 8 |
| Arctous alpina | (L.) Nied. | Ericaceae | 8 |
| Arctous rubra | (Rehder & E.H.Wilson) Nakai | Ericaceae | 8 |
| Ardisia crenata | Sims | Primulaceae | 8 |
| Ardisia crispa | (Thunb.) A.DC. | Primulaceae | 8 |
| Ardisia japonica | (Thunb.) Blume | Primulaceae | 8 |
| Ardisia pusilla | A.DC. | Primulaceae | 8 |
| Ardisia quinquegona | Blume | Primulaceae | 8 |
| Ardisia sieboldii | Miq. | Primulaceae | 8 |
| Arenaria serpyllifolia | L. | Caryophyllaceae | 8 |
| Argentina anserina | (L.) Rydb. | Rosaceae | 8 |
| Arisaema angustatum | Franch. & Sav. | Araceae | 8 |
| Arisaema heterophyllum | Blume | Araceae | 8 |
| Arisaema limbatum | Nakai & F.Maek. | Araceae | 8 |
| Arisaema ringens | (Thunb.) Schott | Araceae | 8 |
| Arisaema serratum | (Thunb.) Schott | Araceae | 8 |
| Aristolochia kaempferi | Willd. | Aristolochiaceae | 8 |
| Aristolochia shimadae | Hayata | Aristolochiaceae | 8 |
| Arnica unalaschcensis | Less. | Asteraceae | 8 |
| Artemisia annua | L. | Asteraceae | 8 |
| Artemisia capillaris | Thunb. | Asteraceae | 8 |
| Artemisia dracunculus | L. | Asteraceae | 8 |
| Artemisia gmelinii | Weber ex Stechm. | Asteraceae | 8 |
| Artemisia indica | Willd. | Asteraceae | 8 |
| Artemisia keiskeana | Miq. | Asteraceae | 8 |
| Artemisia laciniata | C.B.Clarke | Asteraceae | 8 |
| Artemisia lancea | Vaniot | Asteraceae | 8 |
| Artemisia norvegica | Fr. | Asteraceae | 8 |
| Artemisia princeps | Pamp. | Asteraceae | 8 |
| Artemisia scoparia | Waldst. & Kit. | Asteraceae | 8 |
| Artemisia stelleriana | Besser | Asteraceae | 8 |
| Artemisia tilesii | Ledeb. | Asteraceae | 8 |
| Artemisia vulgaris | L. | Asteraceae | 8 |
| Arthraxon hispidus | (Thunb.) Makino | Poaceae | 8 |
| Arundo donax | L. | Poaceae | 8 |
| Asarum sieboldii | Miq. | Aristolochiaceae | 8 |
| Asarum tamaense | Makino | Aristolochiaceae | 8 |
| Asparagus cochinchinensis | (Lour.) Merr. | Asparagaceae | 8 |
| Asparagus schoberioides | Kunth | Asparagaceae | 8 |
| Aspidistra elatior | Blume | Asparagaceae | 8 |
| Asplenium ensiforme | Wall. ex Hook. & Grev. | Aspleniaceae | 8 |
| Asplenium incisum | Thunb. | Aspleniaceae | 8 |
| Asplenium laciniatum | D.Don | Aspleniaceae | 8 |
| Asplenium normale | D.Don | Aspleniaceae | 8 |
| Asplenium prolongatum | Hook. | Aspleniaceae | 8 |
| Asplenium ritoense | Hayata | Aspleniaceae | 8 |
| Asplenium ruprechtii | Sa.Kurata | Aspleniaceae | 8 |
| Asplenium ruta-muraria | L. | Aspleniaceae | 8 |
| Asplenium sarelii | Hook. | Aspleniaceae | 8 |
| Asplenium scolopendrium | L. | Aspleniaceae | 8 |
| Asplenium septentrionale | (L.) Hoffm. | Aspleniaceae | 8 |
| Asplenium tripteropus | Nakai | Aspleniaceae | 8 |
| Asplenium viride | Huds. | Aspleniaceae | 8 |
| Asplenium wilfordii | Mett.; Kuhn | Aspleniaceae | 8 |
| Asplenium wrightii | D.C.Eaton ex Hook. | Aspleniaceae | 8 |
| Asplenium yoshinagae | Makino | Aspleniaceae | 8 |
| Aster ageratoides | Turcz. | Asteraceae | 8 |
| Aster hispidus | Thunb. | Asteraceae | 8 |
| Aster indicus | L. | Asteraceae | 8 |
| Aster microcephalus | Franch. & Sav. | Asteraceae | 8 |
| Aster scaber | Thunb. | Asteraceae | 8 |
| Aster tataricus | L.f. | Asteraceae | 8 |
| Astilbe chinensis | (Maxim.) Franch. & Sav. | Saxifragaceae | 8 |
| Astragalus laxmannii | Jacq. | Fabaceae | 8 |
| Asyneuma japonicum | (Miq.) Briq. | Campanulaceae | 8 |
| Athyrium arisanense | (Hayata) Tagawa | Athyriaceae | 8 |
| Athyrium clivicola | Tagawa | Athyriaceae | 8 |
| Athyrium nakanoi | Makino | Athyriaceae | 8 |
| Athyrium oppositipennum | Hayata | Athyriaceae | 8 |
| Athyrium silvicola | Tagawa | Athyriaceae | 8 |
| Athyrium vidalii | (Franch. & Sav.) Nakai | Athyriaceae | 8 |
| Athyrium yokoscense | (Franch. & Sav.) Christ | Athyriaceae | 8 |
| Atractylodes lancea | (Thunb.) DC. | Asteraceae | 8 |
| Atriplex littoralis | L. | Chenopodiaceae | 8 |
| Atriplex maximowicziana | Makino | Chenopodiaceae | 8 |
| Aucuba japonica | Thunb. | Garryaceae | 8 |
| Avenella flexuosa | (L.) Drejer | Poaceae | 8 |
| Azolla filiculoides | Lam. | Salviniaceae | 8 |
| Azolla pinnata | R.Br. | Salviniaceae | 8 |
| Barbarea orthoceras | Ledeb. | Brassicaceae | 8 |
| Barbarea vulgaris | W.T.Aiton | Brassicaceae | 8 |
| Barnardia japonica | (Thunb.) Schult. & Schult.f. | Asparagaceae | 8 |
| Bassia scoparia | (L.) A.J.Scott | Chenopodiaceae | 8 |
| Beckmannia syzigachne | (Steud.) Fernald | Poaceae | 8 |
| Berberis amurensis | Rupr. | Berberidaceae | 8 |
| Berberis thunbergii | DC. | Berberidaceae | 8 |
| Berchemia floribunda | (Wall.) Brongn. | Rhamnaceae | 8 |
| Betula davurica | Pall. | Betulaceae | 8 |
| Betula ermanii | Cham. | Betulaceae | 8 |
| Betula fruticosa | Pall. | Betulaceae | 8 |
| Betula pendula | Roth | Betulaceae | 8 |
| Biancaea decapetala | (Roth) O.Deg. | Fabaceae | 8 |
| Bidens cernua | L. | Asteraceae | 8 |
| Bidens tripartita | L. | Asteraceae | 8 |
| Blastus cochinchinensis | Lour. | Melastomataceae | 8 |
| Blechnopsis orientalis | (L.) C.Presl | Blechnaceae | 8 |
| Blyxa aubertii | Rich. | Hydrocharitaceae | 8 |
| Boehmeria nivea | (L.) Gaudich. | Urticaceae | 8 |
| Boenninghausenia albiflora | (Hook.) Meisn. | Rutaceae | 8 |
| Boerhavia diffusa | L. | Nyctaginaceae | 8 |
| Boerhavia repens | L. | Nyctaginaceae | 8 |
| Bolbitis subcordata | (Copel.) Ching | Dryopteridaceae | 8 |
| Bolboschoenus planiculmis | (F.Schmidt) T.V.Egorova | Cyperaceae | 8 |
| Bonnaya antipoda | (L.) Druce | Linderniaceae | 8 |
| Boschniakia rossica | (Cham. & Schltdl.) B.Fedtsch. | Orobanchaceae | 8 |
| Bosmania membranacea | (D.Don) Testo | Polypodiaceae | 8 |
| Bothriospermum zeylanicum | (J.Jacq.) Druce | Boraginaceae | 8 |
| Botrychium boreale | Milde | Ophioglossaceae | 8 |
| Botrychium lanceolatum | (Gmel.) Ångstr. | Ophioglossaceae | 8 |
| Botrychium lunaria | (L.) Sw. | Ophioglossaceae | 8 |
| Botrypus virginianus | (L.) Michx. | Ophioglossaceae | 8 |
| Brachypodium sylvaticum | (Huds.) P.Beauv. | Poaceae | 8 |
| Brasenia schreberi | J.F.Gmel. | Cabombaceae | 8 |
| Bredia hirsuta | Blume | Melastomataceae | 8 |
| Bromus ciliatus | L. | Poaceae | 8 |
| Bromus japonicus | Houtt. | Poaceae | 8 |
| Bromus pumpellianus | Scribn. | Poaceae | 8 |
| Broussonetia monoica | Hance | Moraceae | 8 |
| Buglossoides arvensis | (L.) I.M.Johnst. | Boraginaceae | 8 |
| Bulbostylis barbata | (Rottb.) C.B.Clarke | Cyperaceae | 8 |
| Bupleurum scorzonerifolium | Willd. | Apiaceae | 8 |
| Calamagrostis epigejos | (L.) Roth | Poaceae | 8 |
| Calamagrostis inexpansa | A.Gray | Poaceae | 8 |
| Calamagrostis purpurea | (Trin.) Trin. | Poaceae | 8 |
| Calanthe aristulifera | Rchb.f. | Orchidaceae | 8 |
| Calanthe davidii | Franch. | Orchidaceae | 8 |
| Calanthe masuca | (D.Don) Lindl. | Orchidaceae | 8 |
| Calanthe obcordata | (Lindl.) M.W.Chase, Christenh. & Schuit. | Orchidaceae | 8 |
| Caldesia parnassifolia | (L.) Parl. | Alismataceae | 8 |
| Calla palustris | L. | Araceae | 8 |
| Callicarpa dichotoma | (Lour.) K.Koch | Lamiaceae | 8 |
| Callicarpa japonica | Thunb. | Lamiaceae | 8 |
| Callicarpa kochiana | Makino | Lamiaceae | 8 |
| Callicarpa mollis | Siebold & Zucc. | Lamiaceae | 8 |
| Callitriche hermaphroditica | L. | Plantaginaceae | 8 |
| Callitriche palustris | L. | Plantaginaceae | 8 |
| Caltha palustris | L. | Ranunculaceae | 8 |
| Calypso bulbosa | (L.) Oakes | Orchidaceae | 8 |
| Calystegia hederacea | Wall. | Convolvulaceae | 8 |
| Calystegia pubescens | Lindl. | Convolvulaceae | 8 |
| Calystegia sepium | (L.) R.Br. | Convolvulaceae | 8 |
| Camellia japonica | L. | Theaceae | 8 |
| Camellia sasanqua | Thunb. | Theaceae | 8 |
| Campanula dasyantha | M.Bieb. | Campanulaceae | 8 |
| Campanula glomerata | L. | Campanulaceae | 8 |
| Campanula lasiocarpa | Cham. | Campanulaceae | 8 |
| Campanula punctata | Lam. | Campanulaceae | 8 |
| Canavalia gladiata | (Jacq.) DC. | Fabaceae | 8 |
| Canavalia lineata | (Thunb.) DC. | Fabaceae | 8 |
| Capillipedium parviflorum | (R.Br.) Stapf | Poaceae | 8 |
| Cardamine leucantha | (Tausch) O.E.Schulz | Brassicaceae | 8 |
| Cardamine macrophylla | Willd. | Brassicaceae | 8 |
| Cardamine occulta | Hornem. | Brassicaceae | 8 |
| Cardamine parviflora | L. | Brassicaceae | 8 |
| Cardamine pratensis | L. | Brassicaceae | 8 |
| Cardamine scutata | Thunb. | Brassicaceae | 8 |
| Cardamine trifida | (Lam. ex Poir.) B.M.G.Jones | Brassicaceae | 8 |
| Cardiocrinum cordatum | (Thunb.) Makino | Liliaceae | 8 |
| Carduus acanthoides | L. | Asteraceae | 8 |
| Carex alascana | Boeckeler | Cyperaceae | 8 |
| Carex atrata | L. | Cyperaceae | 8 |
| Carex bigelowii | Torr. ex Schwein. | Cyperaceae | 8 |
| Carex bohemica | Schreb. | Cyperaceae | 8 |
| Carex breviculmis | R.Br. | Cyperaceae | 8 |
| Carex brunnea | Thunb. | Cyperaceae | 8 |
| Carex brunnescens | (Pers.) Poir. | Cyperaceae | 8 |
| Carex buxbaumii | Wahlenb. | Cyperaceae | 8 |
| Carex canescens | L. | Cyperaceae | 8 |
| Carex cespitosa | L. | Cyperaceae | 8 |
| Carex cruciata | Wahlenb. | Cyperaceae | 8 |
| Carex diandra | Schrank | Cyperaceae | 8 |
| Carex dispalata | Boott | Cyperaceae | 8 |
| Carex disperma | Dewey | Cyperaceae | 8 |
| Carex distans | L. | Cyperaceae | 8 |
| Carex doniana | Spreng. | Cyperaceae | 8 |
| Carex echinata | Murray | Cyperaceae | 8 |
| Carex gibba | Wahlenb. | Cyperaceae | 8 |
| Carex globularis | L. | Cyperaceae | 8 |
| Carex ischnostachya | Steud. | Cyperaceae | 8 |
| Carex kobomugi | Ohwi | Cyperaceae | 8 |
| Carex lachenalii | Schkuhr | Cyperaceae | 8 |
| Carex lasiocarpa | Ehrh. | Cyperaceae | 8 |
| Carex limosa | L. | Cyperaceae | 8 |
| Carex livida | (Wahlenb.) Willd. | Cyperaceae | 8 |
| Carex lyngbyei | Hornem. | Cyperaceae | 8 |
| Carex macrocephala | Willd. ex Spreng. | Cyperaceae | 8 |
| Carex magellanica | Lam. | Cyperaceae | 8 |
| Carex mertensii | J.D.Prescott ex Bong. | Cyperaceae | 8 |
| Carex myosuroides | Vill. | Cyperaceae | 8 |
| Carex pauciflora | Lightf. | Cyperaceae | 8 |
| Carex phacota | Spreng. | Cyperaceae | 8 |
| Carex pseudocyperus | L. | Cyperaceae | 8 |
| Carex pumila | Thunb. | Cyperaceae | 8 |
| Carex rostrata | Stokes | Cyperaceae | 8 |
| Carex rotundata | Wahlenb. | Cyperaceae | 8 |
| Carex rupestris | All. | Cyperaceae | 8 |
| Carex siderosticta | Hance | Cyperaceae | 8 |
| Carex sociata | Boott | Cyperaceae | 8 |
| Carex stipata | Muhl. ex Willd. | Cyperaceae | 8 |
| Carex tenuiflora | Wahlenb. | Cyperaceae | 8 |
| Carex utriculata | Boott | Cyperaceae | 8 |
| Carex vaginata | Tausch | Cyperaceae | 8 |
| Carex vesicaria | L. | Cyperaceae | 8 |
| Carex wahuensis | C.A.Mey. | Cyperaceae | 8 |
| Carpesium cernuum | L. | Asteraceae | 8 |
| Carpesium glossophyllum | Maxim. | Asteraceae | 8 |
| Carpesium macrocephalum | Franch. & Sav. | Asteraceae | 8 |
| Carpesium triste | Maxim. | Asteraceae | 8 |
| Carpinus cordata | Blume | Betulaceae | 8 |
| Carpinus japonica | Blume | Betulaceae | 8 |
| Carpinus laxiflora | (Siebold & Zucc.) Blume | Betulaceae | 8 |
| Carpinus tschonoskii | Maxim. | Betulaceae | 8 |
| Caryopteris incana | (Thunb. ex Houtt.) Miq. | Lamiaceae | 8 |
| Cassiope lycopodioides | (Pall.) D.Don | Ericaceae | 8 |
| Cassytha filiformis | L. | Lauraceae | 8 |
| Castanea crenata | Siebold & Zucc. | Fagaceae | 8 |
| Castanopsis sieboldii | (Makino) Hatus. | Fagaceae | 8 |
| Caulophyllum robustum | Maxim. | Berberidaceae | 8 |
| Causonis japonica | (Thunb.) Raf. | Vitaceae | 8 |
| Celastrus orbiculatus | Thunb. | Celastraceae | 8 |
| Celastrus punctatus | Thunb. | Celastraceae | 8 |
| Celtis biondii | Pamp. | Cannabaceae | 8 |
| Celtis sinensis | Pers. | Cannabaceae | 8 |
| Cenchrus alopecuroides | (L.) Thunb. | Poaceae | 8 |
| Centella asiatica | (L.) Urb. | Apiaceae | 8 |
| Centipeda minima | (L.) A.Braun & Asch. | Asteraceae | 8 |
| Centranthera cochinchinensis | (Lour.) Merr. | Orobanchaceae | 8 |
| Cephalanthera erecta | (Thunb.) Blume | Orchidaceae | 8 |
| Cephalanthera falcata | (Thunb.) Blume | Orchidaceae | 8 |
| Cephalanthera longifolia | (L.) Fritsch | Orchidaceae | 8 |
| Cerastium arvense | L. | Caryophyllaceae | 8 |
| Cerastium fontanum | Baumg. | Caryophyllaceae | 8 |
| Cerastium pauciflorum | Steven ex Ser. | Caryophyllaceae | 8 |
| Ceratophyllum demersum | L. | Ceratophyllaceae | 8 |
| Cercidiphyllum japonicum | Siebold & Zucc. ex J.J.Hoffm. & J.H.Schult.bis | Cercidiphyllaceae | 8 |
| Chaenomeles japonica | (Thunb.) Lindl. ex Spach | Rosaceae | 8 |
| Chamaecrista nomame | (Makino) H.Ohashi | Fabaceae | 8 |
| Chamaecyparis obtusa | (Siebold & Zucc.) Endl. | Cupressaceae | 8 |
| Chamaecyparis pisifera | (Siebold & Zucc.) Endl. | Cupressaceae | 8 |
| Chamaedaphne calyculata | (L.) Moench | Ericaceae | 8 |
| Cheiropleuria bicuspis | (Blume) C.Presl | Dipteridaceae | 8 |
| Cheiropleuria integrifolia | (D.C.Eaton ex Hook.) M.Kato, Y.Yatabe, Sahashi & N.Murak. | Dipteridaceae | 8 |
| Chelidonium asiaticum | (H.Hara) Krahulc. | Papaveraceae | 8 |
| Chenopodium acuminatum | Willd. | Chenopodiaceae | 8 |
| Chenopodium album | L. | Chenopodiaceae | 8 |
| Cherleria arctica | (Steven ex Ser.) A.J.Moore & Dillenb. | Caryophyllaceae | 8 |
| Cherleria biflora | (L.) A. J. Moore & Dillenb. | Caryophyllaceae | 8 |
| Chimaphila japonica | Miq. | Ericaceae | 8 |
| Chimaphila umbellata | (L.) W.P.C.Barton | Ericaceae | 8 |
| Chloranthus quadrifolius | (A.Gray) H.Ohba & S.Akiyama | Chloranthaceae | 8 |
| Chloranthus serratus | (Thunb.) Roem. & Schult. | Chloranthaceae | 8 |
| Christella acuminata | (Houtt.) Holttum | Thelypteridaceae | 8 |
| Christella dentata | (Forssk.) Brownsey & Jermy | Thelypteridaceae | 8 |
| Christella jaculosa | (Christ) Holttum | Thelypteridaceae | 8 |
| Christella parasitica | (L.) H.Lév. | Thelypteridaceae | 8 |
| Chrysanthemum indicum | L. | Asteraceae | 8 |
| Chrysanthemum japonicum | (Maxim.) Makino | Asteraceae | 8 |
| Chrysanthemum zawadzkii | Herbich | Asteraceae | 8 |
| Chrysosplenium flagelliferum | F.Schmidt | Saxifragaceae | 8 |
| Chrysosplenium japonicum | (Maxim.) Makino | Saxifragaceae | 8 |
| Chrysosplenium pilosum | Maxim. | Saxifragaceae | 8 |
| Chrysosplenium ramosum | Maxim. | Saxifragaceae | 8 |
| Chrysosplenium serreanum | Hand.-Mazz. | Saxifragaceae | 8 |
| Cicuta virosa | L. | Apiaceae | 8 |
| Cinna latifolia | (Trevir. ex Göpp.) Griseb. | Poaceae | 8 |
| Cinnamomum chekiangense | Nakai | Lauraceae | 8 |
| Circaea alpina | L. | Onagraceae | 8 |
| Circaea canadensis | (L.) Hill | Onagraceae | 8 |
| Circaea cordata | Royle | Onagraceae | 8 |
| Cirsium arvense | (L.) Scop. | Asteraceae | 8 |
| Cirsium japonicum | DC. | Asteraceae | 8 |
| Cirsium kamtschaticum | Ledeb. ex DC. | Asteraceae | 8 |
| Cirsium lineare | (Thunb.) Sch.Bip. | Asteraceae | 8 |
| Cirsium oligophyllum | Matsum. | Asteraceae | 8 |
| Cirsium pendulum | Fisch. ex DC. | Asteraceae | 8 |
| Cirsium purpuratum | Matsum. | Asteraceae | 8 |
| Cladium mariscus | (L.) Pohl | Cyperaceae | 8 |
| Claytosmunda claytoniana | (L.) Metzgar & Rouhan | Osmundaceae | 8 |
| Clematis alpina | (L.) Mill. | Ranunculaceae | 8 |
| Clematis apiifolia | DC. | Ranunculaceae | 8 |
| Clematis chinensis | Osbeck | Ranunculaceae | 8 |
| Clematis crassifolia | Benth. | Ranunculaceae | 8 |
| Clematis fusca | Turcz. | Ranunculaceae | 8 |
| Clematis japonica | Thunb. | Ranunculaceae | 8 |
| Clematis lasiandra | Maxim. | Ranunculaceae | 8 |
| Clematis leschenaultiana | DC. | Ranunculaceae | 8 |
| Clematis serratifolia | Rehder | Ranunculaceae | 8 |
| Clematis stans | Siebold & Zucc. | Ranunculaceae | 8 |
| Clematis terniflora | DC. | Ranunculaceae | 8 |
| Clematis uncinata | Champ. ex Benth. | Ranunculaceae | 8 |
| Clerodendrum trichotomum | Thunb. | Lamiaceae | 8 |
| Clethra barbinervis | Siebold & Zucc. | Clethraceae | 8 |
| Cleyera japonica | Thunb. | Pentaphylacaceae | 8 |
| Clinopodium chinense | (Benth.) Kuntze | Lamiaceae | 8 |
| Clinopodium gracile | (Benth.) Kuntze | Lamiaceae | 8 |
| Clintonia udensis | Trautv. & C.A.Mey. | Liliaceae | 8 |
| Cochlearia groenlandica | L. | Brassicaceae | 8 |
| Codonacanthus pauciflorus | (Nees) Nees | Acanthaceae | 8 |
| Codonopsis lanceolata | (Siebold & Zucc.) Benth. & Hook.f. ex Trautv. | Campanulaceae | 8 |
| Codonopsis ussuriensis | (Rupr. & Maxim.) Hemsl. | Campanulaceae | 8 |
| Comanthosphace japonica | (Miq.) S.Moore | Lamiaceae | 8 |
| Comarum palustre | L. | Rosaceae | 8 |
| Commelina auriculata | Blume | Commelinaceae | 8 |
| Commelina benghalensis | L. | Commelinaceae | 8 |
| Commelina communis | L. | Commelinaceae | 8 |
| Commelina diffusa | Burm.f. | Commelinaceae | 8 |
| Conandron ramondioides | Siebold & Zucc. | Gesneriaceae | 8 |
| Coniogramme japonica | (Thunb.) Diels | Pteridaceae | 8 |
| Conioselinum chinense | (L.) Britton, Sterns & Poggenb. | Apiaceae | 8 |
| Convallaria keiskei | Miq. | Asparagaceae | 8 |
| Coptis quinquefolia | Miq. | Ranunculaceae | 8 |
| Coptis trifolia | (L.) Salisb. | Ranunculaceae | 8 |
| Cornopteris banajaoensis | (C.Chr.) K.Iwats. & M.G.Price | Athyriaceae | 8 |
| Cornopteris opaca | (D.Don) Tagawa | Athyriaceae | 8 |
| Cornus canadensis | L. | Cornaceae | 8 |
| Cornus controversa | Hemsl. | Cornaceae | 8 |
| Cornus kousa | Bürger ex Hance | Cornaceae | 8 |
| Cornus macrophylla | Wall. | Cornaceae | 8 |
| Cornus suecica | L. | Cornaceae | 8 |
| Corydalis ambigua | Cham. & Schltdl. | Papaveraceae | 8 |
| Corydalis balansae | Prain | Papaveraceae | 8 |
| Corydalis decumbens | (Thunb.) Pers. | Papaveraceae | 8 |
| Corydalis fumariifolia | Maxim. | Papaveraceae | 8 |
| Corydalis incisa | (Thunb.) Pers. | Papaveraceae | 8 |
| Corydalis ophiocarpa | Hook.f. & Thomson | Papaveraceae | 8 |
| Corydalis pallida | Pers. | Papaveraceae | 8 |
| Corydalis turtschaninovii | Besser | Papaveraceae | 8 |
| Corylopsis pauciflora | Siebold & Zucc. | Hamamelidaceae | 8 |
| Corylus heterophylla | Fisch. ex Trautv. | Betulaceae | 8 |
| Coryphopteris angulariloba | (Ching) L.J.He & X.C.Zhang | Thelypteridaceae | 8 |
| Crassula aquatica | (L.) Schönland | Crassulaceae | 8 |
| Crataegus maximowiczii | C.K.Schneid. | Rosaceae | 8 |
| Crateva magna | (Lour.) DC. | Capparaceae | 8 |
| Cremastra appendiculata | (D.Don) Makino | Orchidaceae | 8 |
| Crepidiastrum denticulatum | (Houtt.) Pak & Kawano | Asteraceae | 8 |
| Crepidiastrum lanceolatum | (Houtt.) Nakai | Asteraceae | 8 |
| Crepidomanes latealatum | (Bosch) Copel. | Hymenophyllaceae | 8 |
| Crinum asiaticum | L. | Amaryllidaceae | 8 |
| Crossostephium chinense | (L.) Makino | Asteraceae | 8 |
| Crotalaria sessiliflora | L. | Fabaceae | 8 |
| Cryptocarya chinensis | (Hance) Hemsl. | Lauraceae | 8 |
| Cryptogramma brunoniana | Wall. ex Hook. & Grev. | Pteridaceae | 8 |
| Cryptogramma crispa | (L.) R.Br. | Pteridaceae | 8 |
| Cryptogramma stelleri | (S.G.Gmel.) Prantl | Pteridaceae | 8 |
| Cryptomeria japonica | (Thunb. ex L.) D.Don | Cupressaceae | 8 |
| Cryptotaenia japonica | Hassk. | Apiaceae | 8 |
| Ctenitis subglandulosa | (Hance) Ching | Dryopteridaceae | 8 |
| Curculigo orchioides | Gaertn. | Hypoxidaceae | 8 |
| Cuscuta europaea | L. | Convolvulaceae | 8 |
| Cuscuta japonica | Choisy | Convolvulaceae | 8 |
| Cyanthillium cinereum | (L.) H.Rob. | Asteraceae | 8 |
| Cycas revoluta | Thunb. | Cycadaceae | 8 |
| Cyclocodon axillaris | (Oliv.) W.J.de Wilde & Duyfjes | Campanulaceae | 8 |
| Cyclosorus interruptus | (Willd.) H.Itô | Thelypteridaceae | 8 |
| Cymbidium dayanum | Rchb.f. | Orchidaceae | 8 |
| Cymbidium ensifolium | (L.) Sw. | Orchidaceae | 8 |
| Cynanchum rostellatum | (Turcz.) Liede & Khanum | Apocynaceae | 8 |
| Cynodon dactylon | (L.) Pers. | Poaceae | 8 |
| Cynoglossum lanceolatum | Forssk. | Boraginaceae | 8 |
| Cynoglossum zeylanicum | (Sw. ex Lehm.) Thunb. ex Brand | Boraginaceae | 8 |
| Cyperus brevifolioides | Thieret & Delahouss. | Cyperaceae | 8 |
| Cyperus brevifolius | (Rottb.) Hassk. | Cyperaceae | 8 |
| Cyperus compressus | L. | Cyperaceae | 8 |
| Cyperus cyperoides | (L.) Kuntze | Cyperaceae | 8 |
| Cyperus difformis | L. | Cyperaceae | 8 |
| Cyperus distans | L.f. | Cyperaceae | 8 |
| Cyperus exaltatus | Retz. | Cyperaceae | 8 |
| Cyperus flavidus | Retz. | Cyperaceae | 8 |
| Cyperus glomeratus | L. | Cyperaceae | 8 |
| Cyperus haspan | L. | Cyperaceae | 8 |
| Cyperus iria | L. | Cyperaceae | 8 |
| Cyperus michelianus | (L.) Delile | Cyperaceae | 8 |
| Cyperus microiria | Steud. | Cyperaceae | 8 |
| Cyperus nipponicus | Franch. & Sav. | Cyperaceae | 8 |
| Cyperus odoratus | L. | Cyperaceae | 8 |
| Cyperus pilosus | Vahl | Cyperaceae | 8 |
| Cyperus polystachyos | Rottb. | Cyperaceae | 8 |
| Cyperus rotundus | L. | Cyperaceae | 8 |
| Cypripedium calceolus | L. | Orchidaceae | 8 |
| Cypripedium guttatum | Sw. | Orchidaceae | 8 |
| Cypripedium macranthos | Sw. | Orchidaceae | 8 |
| Cyrtomium caryotideum | C.Presl | Dryopteridaceae | 8 |
| Cyrtomium devexiscapulae | (Koidz.) Ching | Dryopteridaceae | 8 |
| Cyrtomium falcatum | (L.f.) C.Presl | Dryopteridaceae | 8 |
| Cyrtomium fortunei | J.Sm. | Dryopteridaceae | 8 |
| Cyrtosia septentrionalis | (Rchb.f.) Garay | Orchidaceae | 8 |
| Cystopteris fragilis | (L.) Bernh. | Cystopteridaceae | 8 |
| Cystopteris montana | (Lam.) Bernh. ex Desv. | Cystopteridaceae | 8 |
| Cystopteris moupinensis | Franch. | Cystopteridaceae | 8 |
| Cystopteris sudetica | A.Braun & Milde | Cystopteridaceae | 8 |
| Dactylorhiza aristata | (Fisch. ex Lindl.) Soó | Orchidaceae | 8 |
| Dactylorhiza viridis | (L.) R.M.Bateman, Pridgeon & M.W.Chase | Orchidaceae | 8 |
| Damnacanthus giganteus | (Makino) Nakai | Rubiaceae | 8 |
| Damnacanthus indicus | C.F.Gaertn. | Rubiaceae | 8 |
| Daphne pseudomezereum | A.Gray | Thymelaeaceae | 8 |
| Daphniphyllum macropodum | Miq. | Daphniphyllaceae | 8 |
| Dasiphora fruticosa | (L.) Rydb. | Rosaceae | 8 |
| Davallia repens | (L.f.) Kuhn | Davalliaceae | 8 |
| Debregeasia orientalis | C.J.Chen | Urticaceae | 8 |
| Dendrobium moniliforme | (L.) Sw. | Orchidaceae | 8 |
| Dendrobium officinale | Kimura & Migo | Orchidaceae | 8 |
| Dendrolycopodium dendroideum | (Michx.) A.Haines | Lycopodiaceae | 8 |
| Dendropanax trifidus | (Thunb.) Makino ex H.Hara | Araliaceae | 8 |
| Deparia formosana | (Rosenst.) R.Sano | Athyriaceae | 8 |
| Deparia japonica | (Thunb.) M.Kato | Athyriaceae | 8 |
| Deparia lancea | (Thunb.) Fraser-Jenk. | Athyriaceae | 8 |
| Deparia petersenii | (Kunze) M.Kato | Athyriaceae | 8 |
| Deparia pycnosora | (Christ) M.Kato | Athyriaceae | 8 |
| Descurainia sophia | (L.) Webb ex Prantl | Brassicaceae | 8 |
| Deutzia crenata | Siebold & Zucc. | Hydrangeaceae | 8 |
| Deutzia gracilis | Siebold & Zucc. | Hydrangeaceae | 8 |
| Deutzia scabra | Thunb. | Hydrangeaceae | 8 |
| Dianella ensifolia | (L.) Redouté | Asphodelaceae | 8 |
| Dianthus longicalyx | Miq. | Caryophyllaceae | 8 |
| Dianthus superbus | L. | Caryophyllaceae | 8 |
| Diapensia obovata | (F.Schmidt) Nakai | Diapensiaceae | 8 |
| Dicentra peregrina | (Rudolph) Makino | Papaveraceae | 8 |
| Dichrocephala integrifolia | (L.f.) Kuntze | Asteraceae | 8 |
| Dicliptera japonica | (Thunb.) Makino | Acanthaceae | 8 |
| Dicranopteris linearis | (Burm.f.) Underw. | Gleicheniaceae | 8 |
| Dicranopteris pedata | (Houtt.) Nakaike | Gleicheniaceae | 8 |
| Didymoplexis pallens | Griff. | Orchidaceae | 8 |
| Digitaria ciliaris | (Retz.) Koeler | Poaceae | 8 |
| Digitaria ischaemum | (Schreb.) Muhl. | Poaceae | 8 |
| Digitaria radicosa | (J.Presl) Miq. | Poaceae | 8 |
| Digitaria violascens | Link | Poaceae | 8 |
| Dioscorea bulbifera | L. | Dioscoreaceae | 8 |
| Dioscorea collettii | Hook.f. | Dioscoreaceae | 8 |
| Dioscorea japonica | Thunb. | Dioscoreaceae | 8 |
| Dioscorea nipponica | Makino | Dioscoreaceae | 8 |
| Dioscorea tokoro | Makino ex Miyabe | Dioscoreaceae | 8 |
| Diospyros japonica | Siebold & Zucc. | Ebenaceae | 8 |
| Diospyros morrisiana | Hance ex Walp. | Ebenaceae | 8 |
| Diphasiastrum alpinum | (L.) Holub | Lycopodiaceae | 8 |
| Diphasiastrum complanatum | (L.) Holub | Lycopodiaceae | 8 |
| Diphasiastrum sitchense | (Rupr.) Holub | Lycopodiaceae | 8 |
| Diplachne fusca | (L.) P.Beauv. | Poaceae | 8 |
| Diplazium dilatatum | Blume | Athyriaceae | 8 |
| Diplazium doederleinii | (Luerss.) Makino | Athyriaceae | 8 |
| Diplazium esculentum | (Retz.) Sw. | Athyriaceae | 8 |
| Diplazium fauriei | Christ | Athyriaceae | 8 |
| Diplazium kawakamii | Hayata | Athyriaceae | 8 |
| Diplazium lineolatum | Blume | Athyriaceae | 8 |
| Diplazium lobatum | (Tagawa) Tagawa | Athyriaceae | 8 |
| Diplazium maximum | (D.Don) C.Chr. | Athyriaceae | 8 |
| Diplazium mettenianum | (Miq.) C.Chr. | Athyriaceae | 8 |
| Diplazium okinawaense | Tagawa | Athyriaceae | 8 |
| Diplazium pullingeri | (Baker) J.Sm. | Athyriaceae | 8 |
| Diplazium sibiricum | (Turcz. ex Kunze) Sa.Kurata | Athyriaceae | 8 |
| Diplazium squamigerum | (Mett.) Hope | Athyriaceae | 8 |
| Diplazium virescens | Kunze | Athyriaceae | 8 |
| Diplazium wichurae | (Mett.) Diels | Athyriaceae | 8 |
| Diplopterygium glaucum | (Thunb. ex Houtt.) Nakai | Gleicheniaceae | 8 |
| Diplopterygium laevissimum | (Christ) Nakai | Gleicheniaceae | 8 |
| Diplospora dubia | (Lindl.) Masam. | Rubiaceae | 8 |
| Disporum sessile | D.Don ex Schult. & Schult.f. | Colchicaceae | 8 |
| Disporum smilacinum | A.Gray | Colchicaceae | 8 |
| Disporum viridescens | (Maxim.) Nakai | Colchicaceae | 8 |
| Distylium racemosum | Siebold & Zucc. | Hamamelidaceae | 8 |
| Dopatrium junceum | (Roxb.) Buch.-Ham. ex Benth. | Plantaginaceae | 8 |
| Draba nemorosa | L. | Brassicaceae | 8 |
| Drosera anglica | Huds. | Droseraceae | 8 |
| Drosera indica | L. | Droseraceae | 8 |
| Drosera peltata | Thunb. | Droseraceae | 8 |
| Drosera rotundifolia | L. | Droseraceae | 8 |
| Drosera spatulata | Labill. | Droseraceae | 8 |
| Dryas ajanensis | Juz. | Rosaceae | 8 |
| Dryopteris amurensis | (Milde ) Christ | Dryopteridaceae | 8 |
| Dryopteris atrata | (Wall. ex Kunze) Ching | Dryopteridaceae | 8 |
| Dryopteris bissetiana | (Baker) C.Chr. | Dryopteridaceae | 8 |
| Dryopteris crassirhizoma | Nakai | Dryopteridaceae | 8 |
| Dryopteris cycadina | (Franch. & Sav.) C.Chr. | Dryopteridaceae | 8 |
| Dryopteris erythrosora | (D.C.Eaton) Kuntze | Dryopteridaceae | 8 |
| Dryopteris erythrovaria | K.Hori & N.Murak. | Dryopteridaceae | 8 |
| Dryopteris expansa | (C.Presl) Fraser-Jenk. & Jermy | Dryopteridaceae | 8 |
| Dryopteris formosana | (Christ) C.Chr. | Dryopteridaceae | 8 |
| Dryopteris fragrans | (L.) Schott | Dryopteridaceae | 8 |
| Dryopteris hendersonii | (Bedd.) C.Chr. | Dryopteridaceae | 8 |
| Dryopteris hondoensis | Koidz. | Dryopteridaceae | 8 |
| Dryopteris immixta | Ching | Dryopteridaceae | 8 |
| Dryopteris kinokuniensis | Sa.Kurata | Dryopteridaceae | 8 |
| Dryopteris lacera | (Thunb.) Kuntze | Dryopteridaceae | 8 |
| Dryopteris melanocarpa | Hayata | Dryopteridaceae | 8 |
| Dryopteris nipponensis | Koidz. | Dryopteridaceae | 8 |
| Dryopteris polita | Rosenst. | Dryopteridaceae | 8 |
| Dryopteris sacrosancta | Koidz. | Dryopteridaceae | 8 |
| Dryopteris scottii | (Bedd.) Ching | Dryopteridaceae | 8 |
| Dryopteris sordidipes | Tagawa | Dryopteridaceae | 8 |
| Dryopteris sparsa | (D.Don) Kuntze | Dryopteridaceae | 8 |
| Dryopteris uniformis | (Makino) Makino | Dryopteridaceae | 8 |
| Dryopteris varia | Kuntze | Dryopteridaceae | 8 |
| Dryopteris wallichiana | (Spreng.) Hyl. | Dryopteridaceae | 8 |
| Echinochloa crus-galli | (L.) P.Beauv. | Poaceae | 8 |
| Ehretia acuminata | R.Br. | Ehretiaceae | 8 |
| Ehretia dicksonii | Hance | Ehretiaceae | 8 |
| Elaeagnus glabra | Thunb. | Elaeagnaceae | 8 |
| Elaeagnus macrophylla | Thunb. | Elaeagnaceae | 8 |
| Elaeagnus pungens | Thunb. | Elaeagnaceae | 8 |
| Elaeagnus umbellata | Thunb. | Elaeagnaceae | 8 |
| Elaeocarpus decipiens | F.B.Forbes & Hemsl. | Elaeocarpaceae | 8 |
| Elatostema radicans | (Siebold & Zucc.) Wedd. | Urticaceae | 8 |
| Eleocharis atropurpurea | (Retz.) J.Presl & C.Presl | Cyperaceae | 8 |
| Eleocharis dulcis | (Burm.f.) Trin. ex Hensch. | Cyperaceae | 8 |
| Eleocharis ovata | (Roth) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis palustris | (L.) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis parvula | (Roem. & Schult.) Link ex Bluff, Nees & Schauer | Cyperaceae | 8 |
| Eleusine indica | (L.) Gaertn. | Poaceae | 8 |
| Eleutherococcus senticosus | (Rupr. & Maxim.) Maxim. | Araliaceae | 8 |
| Ellisiophyllum pinnatum | (Wall. ex Benth.) Makino | Plantaginaceae | 8 |
| Elsholtzia ciliata | (Thunb.) Hyl. | Lamiaceae | 8 |
| Elymus gmelinii | (Trin.) Tzvelev | Poaceae | 8 |
| Elymus sibiricus | L. | Poaceae | 8 |
| Embelia laeta | (L.) Mez | Primulaceae | 8 |
| Emilia javanica | (Burm.f.) C.B.Rob. | Asteraceae | 8 |
| Emilia sonchifolia | (L.) DC. | Asteraceae | 8 |
| Empetrum nigrum | L. | Ericaceae | 8 |
| Enkianthus perulatus | (Miq.) C.K.Schneid. | Ericaceae | 8 |
| Entada phaseoloides | (L.) Merr. | Fabaceae | 8 |
| Epilobium amurense | Hausskn. | Onagraceae | 8 |
| Epilobium anagallidifolium | Lam. | Onagraceae | 8 |
| Epilobium angustifolium | L. | Onagraceae | 8 |
| Epilobium hirsutum | L. | Onagraceae | 8 |
| Epilobium hornemannii | Rchb. | Onagraceae | 8 |
| Epilobium lactiflorum | Hausskn. | Onagraceae | 8 |
| Epilobium latifolium | L. | Onagraceae | 8 |
| Epilobium montanum | L. | Onagraceae | 8 |
| Epilobium palustre | L. | Onagraceae | 8 |
| Epilobium parviflorum | (Schreb.) Schreb. | Onagraceae | 8 |
| Epimedium diphyllum | Lodd. ex Graham | Berberidaceae | 8 |
| Epipogium aphyllum | Sw. | Orchidaceae | 8 |
| Epipogium roseum | (D.Don) Lindl. | Orchidaceae | 8 |
| Equisetum arvense | L. | Equisetaceae | 8 |
| Equisetum fluviatile | L. | Equisetaceae | 8 |
| Equisetum hyemale | L. | Equisetaceae | 8 |
| Equisetum palustre | L. | Equisetaceae | 8 |
| Equisetum pratense | Ehrh. | Equisetaceae | 8 |
| Equisetum ramosissimum | Desf. | Equisetaceae | 8 |
| Equisetum scirpoides | Michx. | Equisetaceae | 8 |
| Equisetum sylvaticum | L. | Equisetaceae | 8 |
| Equisetum variegatum | Schleich. ex F.Weber & D.Mohr | Equisetaceae | 8 |
| Eragrostis cilianensis | (All.) Vignolo ex Janch. | Poaceae | 8 |
| Eragrostis cumingii | Steud. | Poaceae | 8 |
| Eragrostis ferruginea | (Thunb.) P.Beauv. | Poaceae | 8 |
| Eragrostis minor | Host | Poaceae | 8 |
| Eragrostis pilosa | (L.) P.Beauv. | Poaceae | 8 |
| Erigeron acris | L. | Asteraceae | 8 |
| Eriocaulon cinereum | R.Br. | Eriocaulaceae | 8 |
| Eriochloa villosa | (Thunb.) Kunth | Poaceae | 8 |
| Eriophorum gracile | Roth | Cyperaceae | 8 |
| Eriophorum scheuchzeri | Hoppe | Cyperaceae | 8 |
| Eriophorum vaginatum | L. | Cyperaceae | 8 |
| Erodium stephanianum | Willd. | Geraniaceae | 8 |
| Erycibe henryi | Prain | Convolvulaceae | 8 |
| Erysimum cheiranthoides | L. | Brassicaceae | 8 |
| Erythronium japonicum | Decne. | Liliaceae | 8 |
| Erythrorchis altissima | (Blume) Blume | Orchidaceae | 8 |
| Eschenbachia japonica | (Thunb.) J.Kost. | Asteraceae | 8 |
| Euchiton japonicus | (Thunb.) Holub | Asteraceae | 8 |
| Euonymus alatus | (Thunb.) Siebold | Celastraceae | 8 |
| Euonymus carnosus | Hemsl. | Celastraceae | 8 |
| Euonymus fortunei | (Turcz.) Hand.-Mazz. | Celastraceae | 8 |
| Euonymus hamiltonianus | Wall. | Celastraceae | 8 |
| Euonymus japonicus | Thunb. | Celastraceae | 8 |
| Euonymus macropterus | Rupr. | Celastraceae | 8 |
| Euonymus nitidus | Benth. | Celastraceae | 8 |
| Euonymus verrucosus | Scop. | Celastraceae | 8 |
| Eupatorium lindleyanum | DC. | Asteraceae | 8 |
| Euphorbia adenochlora | C.Morren & Decne. | Euphorbiaceae | 8 |
| Euphorbia helioscopia | L. | Euphorbiaceae | 8 |
| Euphorbia jolkinii | Boiss. | Euphorbiaceae | 8 |
| Euphorbia sieboldiana | C.Morren & Decne. | Euphorbiaceae | 8 |
| Euphrasia maximowiczii | Wettst. ex Palib. | Orobanchaceae | 8 |
| Euphrasia pectinata | Ten. | Orobanchaceae | 8 |
| Euptelea polyandra | Siebold & Zucc. | Eupteleaceae | 8 |
| Eurya emarginata | (Thunb.) Makino | Pentaphylacaceae | 8 |
| Eurya japonica | Thunb. | Pentaphylacaceae | 8 |
| Euryale ferox | Salisb. | Nymphaeaceae | 8 |
| Eurybia sibirica | (L.) G.L.Nesom | Asteraceae | 8 |
| Eutrema japonicum | (Miq.) Koidz. | Brassicaceae | 8 |
| Eutrema tenue | (Miq.) Makino | Brassicaceae | 8 |
| Fagus crenata | Blume | Fagaceae | 8 |
| Farfugium japonicum | (L.) Kitam. | Asteraceae | 8 |
| Fatoua villosa | (Thunb.) Nakai | Moraceae | 8 |
| Fatsia japonica | (Thunb.) Decne. & Planch. | Araliaceae | 8 |
| Festuca ovina | L. | Poaceae | 8 |
| Festuca rubra | L. | Poaceae | 8 |
| Ficus erecta | Thunb. | Moraceae | 8 |
| Ficus microcarpa | L.f. | Moraceae | 8 |
| Ficus pumila | L. | Moraceae | 8 |
| Ficus subpisocarpa | Gagnep. | Moraceae | 8 |
| Filifolium sibiricum | (L.) Kitam. | Asteraceae | 8 |
| Fimbristylis bisumbellata | (Forssk.) Bubani | Cyperaceae | 8 |
| Fimbristylis complanata | (Retz.) Link | Cyperaceae | 8 |
| Fimbristylis cymosa | R.Br. | Cyperaceae | 8 |
| Fimbristylis dichotoma | (L.) Vahl | Cyperaceae | 8 |
| Fimbristylis littoralis | Gaudich. | Cyperaceae | 8 |
| Fimbristylis sieboldii | Miq. | Cyperaceae | 8 |
| Firmiana simplex | (L.) W.Wight | Malvaceae | 8 |
| Flagellaria indica | L. | Flagellariaceae | 8 |
| Flueggea suffruticosa | (Pall.) Baill. | Phyllanthaceae | 8 |
| Fraxinus insularis | Hemsl. | Oleaceae | 8 |
| Fraxinus mandshurica | Rupr. | Oleaceae | 8 |
| Fritillaria camschatcensis | (L.) Ker Gawl. | Liliaceae | 8 |
| Gagea lutea | (L.) Ker Gawl. | Liliaceae | 8 |
| Gagea nakaiana | Kitag. | Liliaceae | 8 |
| Gagea serotina | (L.) Ker Gawl. | Liliaceae | 8 |
| Gagea triflora | (Ledeb.) Schult. & Schult.f. | Liliaceae | 8 |
| Galactia tashiroi | Maxim. | Fabaceae | 8 |
| Galeopsis bifida | Boenn. | Lamiaceae | 8 |
| Galium kamtschaticum | Steller ex Schult. & Schult.f. | Rubiaceae | 8 |
| Galium odoratum | (L.) Scop. | Rubiaceae | 8 |
| Galium spurium | L. | Rubiaceae | 8 |
| Galium trifidum | L. | Rubiaceae | 8 |
| Galium triflorum | Michx. | Rubiaceae | 8 |
| Galium verum | L. | Rubiaceae | 8 |
| Gardenia jasminoides | J.Ellis | Rubiaceae | 8 |
| Gardneria multiflora | Makino | Loganiaceae | 8 |
| Gentiana algida | Pall. | Gentianaceae | 8 |
| Gentiana glauca | Pall. | Gentianaceae | 8 |
| Gentiana scabra | Bunge | Gentianaceae | 8 |
| Gentiana squarrosa | Ledeb. | Gentianaceae | 8 |
| Gentiana triflora | Pall. | Gentianaceae | 8 |
| Gentiana yokusai | Burkill | Gentianaceae | 8 |
| Gentiana zollingeri | Fawc. | Gentianaceae | 8 |
| Geranium erianthum | DC. | Geraniaceae | 8 |
| Geranium sibiricum | L. | Geraniaceae | 8 |
| Geranium soboliferum | Kom. | Geraniaceae | 8 |
| Geranium wilfordii | Maxim. | Geraniaceae | 8 |
| Geum aleppicum | Jacq. | Rosaceae | 8 |
| Geum calthifolium | Menzies ex Sm. | Rosaceae | 8 |
| Geum japonicum | Thunb. | Rosaceae | 8 |
| Geum macrophyllum | Willd. | Rosaceae | 8 |
| Glaphyropteridopsis erubescens | (Wall. ex Hook.) Ching | Thelypteridaceae | 8 |
| Glechoma grandis | (A.Gray) Kuprian. | Lamiaceae | 8 |
| Glehnia littoralis | (J.G.Cooper) F.Schmidt ex Miq. | Apiaceae | 8 |
| Glochidion zeylanicum | (Gaertn.) A.Juss. | Phyllanthaceae | 8 |
| Glycine max | (L.) Merr. | Fabaceae | 8 |
| Glycosmis parviflora | (Sims) Little | Rutaceae | 8 |
| Gnaphalium uliginosum | L. | Asteraceae | 8 |
| Goniophlebium formosanum | (Baker) Rödl-Linder | Polypodiaceae | 8 |
| Gonocarpus micranthus | Thunb. | Haloragaceae | 8 |
| Gonostegia hirta | (Hassk.) Miq. | Urticaceae | 8 |
| Goodyera procera | (Ker Gawl.) Hook. | Orchidaceae | 8 |
| Goodyera repens | (L.) R.Br. | Orchidaceae | 8 |
| Goodyera schlechtendaliana | Rchb.f. | Orchidaceae | 8 |
| Grona heterocarpos | (L.) H.Ohashi & K.Ohashi | Fabaceae | 8 |
| Grypothrix triphylla | (Sw.) S.E.Fawc. & A.R.Sm. | Thelypteridaceae | 8 |
| Gymnadenia conopsea | (L.) R.Br. | Orchidaceae | 8 |
| Gymnocarpium dryopteris | (L.) Newman | Cystopteridaceae | 8 |
| Gymnocarpium jessoense | (Koidz.) Koidz. | Cystopteridaceae | 8 |
| Gymnocarpium robertianum | (Hoffm.) Newman | Cystopteridaceae | 8 |
| Gymnosphaera metteniana | (Hance) Tagawa | Cyatheaceae | 8 |
| Gymnosphaera podophylla | (Hook.) Copel. | Cyatheaceae | 8 |
| Gynochthodes umbellata | (L.) Razafim. & B.Bremer | Rubiaceae | 8 |
| Gynostemma pentaphyllum | (Thunb.) Makino | Cucurbitaceae | 8 |
| Gynura japonica | (Thunb.) Juel | Asteraceae | 8 |
| Habenaria linearifolia | Maxim. | Orchidaceae | 8 |
| Hackelia deflexa | (Wahlenb.) Opiz | Boraginaceae | 8 |
| Halenia corniculata | (L.) Cornaz | Gentianaceae | 8 |
| Halophila ovalis | (R.Br.) Hook.f. | Hydrocharitaceae | 8 |
| Hamamelis japonica | Siebold & Zucc. | Hamamelidaceae | 8 |
| Hammarbya paludosa | (L.) Kuntze | Orchidaceae | 8 |
| Haplopteris flexuosa | (Fée) E.H.Crane | Pteridaceae | 8 |
| Harrimanella stelleriana | (Pall.) Coville | Ericaceae | 8 |
| Hedera rhombea | (Miq.) Paul | Araliaceae | 8 |
| Helicia cochinchinensis | Lour. | Proteaceae | 8 |
| Heliotropium arboreum | (Blanco) Mabb. | Heliotropiaceae | 8 |
| Helonias orientalis | (Thunb.) N.Tanaka | Melanthiaceae | 8 |
| Helwingia japonica | (Thunb.) F.Dietr. | Helwingiaceae | 8 |
| Hemarthria compressa | (L.f.) R.Br. | Poaceae | 8 |
| Hemerocallis fulva | (L.) L. | Asphodelaceae | 8 |
| Hemerocallis middendorffii | Trautv. & C.A.Mey. | Asphodelaceae | 8 |
| Hemipilia cucullata | (L.) Y.Tang, H.Peng & T.Yukawa | Orchidaceae | 8 |
| Heptapleurum heptaphyllum | (L.) Y.F.Deng | Araliaceae | 8 |
| Heracleum maximum | W.Bartram | Apiaceae | 8 |
| Herminium monorchis | (L.) R.Br. | Orchidaceae | 8 |
| Hesperis sibirica | L. | Brassicaceae | 8 |
| Heteropogon contortus | (L.) P.Beauv. ex Roem. & Schult. | Poaceae | 8 |
| Hibiscus makinoi | Y.Jotani & H.Ohba | Malvaceae | 8 |
| Hibiscus tiliaceus | L. | Malvaceae | 8 |
| Hieracium umbellatum | L. | Asteraceae | 8 |
| Hippuris vulgaris | L. | Plantaginaceae | 8 |
| Histiopteris incisa | (Thunb.) J.Sm. | Dennstaedtiaceae | 8 |
| Honckenya peploides | (L.) Ehrh. | Caryophyllaceae | 8 |
| Hosta sieboldiana | (Hook.) Engl. | Asparagaceae | 8 |
| Hosta sieboldii | (Paxton) J.W.Ingram | Asparagaceae | 8 |
| Houttuynia cordata | Thunb. | Saururaceae | 8 |
| Hovenia dulcis | Thunb. | Rhamnaceae | 8 |
| Hoya carnosa | (L.f.) R.Br. | Apocynaceae | 8 |
| Humulus scandens | (Lour.) Merr. | Cannabaceae | 8 |
| Huperzia miyoshiana | (Makino) Ching | Lycopodiaceae | 8 |
| Huperzia selago | (L.) Bernh. ex Schrank & Mart. | Lycopodiaceae | 8 |
| Huperzia serrata | (Thunb.) Trevis. | Lycopodiaceae | 8 |
| Hydrangea hirta | (Thunb.) Siebold | Hydrangeaceae | 8 |
| Hydrangea hydrangeoides | (Siebold & Zucc.) Bernd Schulz | Hydrangeaceae | 8 |
| Hydrangea involucrata | Siebold | Hydrangeaceae | 8 |
| Hydrangea macrophylla | (Thunb.) Ser. | Hydrangeaceae | 8 |
| Hydrangea paniculata | Siebold | Hydrangeaceae | 8 |
| Hydrangea scandens | (L.f.) Ser. | Hydrangeaceae | 8 |
| Hydrangea serrata | (Thunb.) Ser. | Hydrangeaceae | 8 |
| Hydrangea viburnoides | (Hook.f. & Thomson) Y.De Smet & Granados | Hydrangeaceae | 8 |
| Hydrilla verticillata | (L.f.) Royle | Hydrocharitaceae | 8 |
| Hydrocharis dubia | (Blume) Backer | Hydrocharitaceae | 8 |
| Hydrocotyle ramiflora | Maxim. | Araliaceae | 8 |
| Hydrocotyle sibthorpioides | Lam. | Araliaceae | 8 |
| Hygrophila ringens | (L.) R.Br. ex Spreng. | Acanthaceae | 8 |
| Hylodesmum leptopus | (A.Gray ex Benth.) H.Ohashi & R.R.Mill | Fabaceae | 8 |
| Hymenasplenium cheilosorum | (Kunze ex Mett.) Tagawa | Aspleniaceae | 8 |
| Hymenophyllum badium | Hook. & Grev. | Hymenophyllaceae | 8 |
| Hymenophyllum fujisanense | Nakai. | Hymenophyllaceae | 8 |
| Hypericum ascyron | L. | Hypericaceae | 8 |
| Hypericum japonicum | Thunb. | Hypericaceae | 8 |
| Hypodematium shingii | Li Bing Zhang, X.P.Fan & X.F.Gao | Hypodematiaceae | 8 |
| Hypolepis alpina | (Blume) Hook. | Dennstaedtiaceae | 8 |
| Hypolepis punctata | Mett. ex Kuhn | Dennstaedtiaceae | 8 |
| Hypopitys monotropa | Crantz | Ericaceae | 8 |
| Hypoxis aurea | Lour. | Hypoxidaceae | 8 |
| Idesia polycarpa | Maxim. | Salicaceae | 8 |
| Ilex chinensis | Sims | Aquifoliaceae | 8 |
| Ilex crenata | Thunb. | Aquifoliaceae | 8 |
| Ilex integra | Thunb. | Aquifoliaceae | 8 |
| Ilex macropoda | Miq. | Aquifoliaceae | 8 |
| Ilex maximowicziana | Loes. | Aquifoliaceae | 8 |
| Ilex micrococca | Maxim. | Aquifoliaceae | 8 |
| Ilex pedunculosa | Miq. | Aquifoliaceae | 8 |
| Ilex rotunda | Thunb. | Aquifoliaceae | 8 |
| Ilex serrata | Thunb. | Aquifoliaceae | 8 |
| Illicium anisatum | L. | Schisandraceae | 8 |
| Impatiens noli-tangere | L. | Balsaminaceae | 8 |
| Impatiens textorii | Miq. | Balsaminaceae | 8 |
| Indigofera decora | Lindl. | Fabaceae | 8 |
| Inula japonica | Thunb. | Asteraceae | 8 |
| Inula linariifolia | Turcz. | Asteraceae | 8 |
| Ipomoea pes-caprae | (L.) R.Br. | Convolvulaceae | 8 |
| Ipomoea violacea | L. | Convolvulaceae | 8 |
| Iris domestica | (L.) Goldblatt & Mabb. | Iridaceae | 8 |
| Iris ensata | Thunb. | Iridaceae | 8 |
| Iris japonica | Thunb. | Iridaceae | 8 |
| Iris laevigata | Fisch. | Iridaceae | 8 |
| Iris rossii | Baker | Iridaceae | 8 |
| Iris sanguinea | Hornem. | Iridaceae | 8 |
| Iris setosa | Pall. ex Link | Iridaceae | 8 |
| Isachne globosa | (Thunb.) Kuntze | Poaceae | 8 |
| Isodon effusus | (Maxim.) H.Hara | Lamiaceae | 8 |
| Ixeridium dentatum | (Thunb.) Tzvelev | Asteraceae | 8 |
| Ixeridium laevigatum | (Blume) Pak & Kawano | Asteraceae | 8 |
| Ixeris japonica | (Burm.f.) Nakai | Asteraceae | 8 |
| Ixeris repens | (L.) A.Gray | Asteraceae | 8 |
| Ixeris stolonifera | A.Gray | Asteraceae | 8 |
| Ixeris tamagawaensis | (Makino) Kitam. | Asteraceae | 8 |
| Jacobaea cannabifolia | (Less.) E.Wiebe | Asteraceae | 8 |
| Jacobaea erucifolia | (L.) G.Gaertn., B.Mey. & Scherb. | Asteraceae | 8 |
| Jasminanthes mucronata | (Blanco) W.D.Stevens & P.T.Li | Apocynaceae | 8 |
| Juglans mandshurica | Maxim. | Juglandaceae | 8 |
| Juncus articulatus | L. | Juncaceae | 8 |
| Juncus bufonius | L. | Juncaceae | 8 |
| Juncus castaneus | Sm. | Juncaceae | 8 |
| Juncus compressus | Jacq. | Juncaceae | 8 |
| Juncus decipiens | (Buchenau) Nakai | Juncaceae | 8 |
| Juncus ensifolius | Wikstr. | Juncaceae | 8 |
| Juncus filiformis | L. | Juncaceae | 8 |
| Juncus mertensianus | Bong. | Juncaceae | 8 |
| Juncus prismatocarpus | R.Br. | Juncaceae | 8 |
| Juniperus chinensis | L. | Cupressaceae | 8 |
| Juniperus communis | L. | Cupressaceae | 8 |
| Juniperus rigida | Siebold & Zucc. | Cupressaceae | 8 |
| Justicia procumbens | L. | Acanthaceae | 8 |
| Kadsura japonica | (L.) Dunal | Schisandraceae | 8 |
| Kalimeris incisa | (Fisch.) DC. | Asteraceae | 8 |
| Kalmia procumbens | (L.) Gift, Kron & P.F.Stevens ex Galasso, Banfi & F.Conti | Ericaceae | 8 |
| Kalopanax septemlobus | (Thunb.) Koidz. | Araliaceae | 8 |
| Kandelia obovata | Sheue, H.Y.Liu & J.W.H.Yong | Rhizophoraceae | 8 |
| Kerria japonica | (L.) DC. | Rosaceae | 8 |
| Kitagawia terebinthacea | (Fisch. ex Trevir.) Pimenov | Apiaceae | 8 |
| Koeleria macrantha | (Ledeb.) Schult. | Poaceae | 8 |
| Koeleria spicata | (L.) Barberá, Quintanar, Soreng & P.M.Peterson | Poaceae | 8 |
| Korthalsella japonica | (Thunb.) Engl. | Santalaceae | 8 |
| Kummerowia stipulacea | (Maxim.) Makino | Fabaceae | 8 |
| Kummerowia striata | (Thunb.) Schindl. | Fabaceae | 8 |
| Lactuca indica | L. | Asteraceae | 8 |
| Lactuca sibirica | (L.) Benth. & Hook.f. ex Maxim. | Asteraceae | 8 |
| Lactuca triangulata | Maxim. | Asteraceae | 8 |
| Lagerstroemia subcostata | Koehne | Lythraceae | 8 |
| Lagotis glauca | Gaertn. | Plantaginaceae | 8 |
| Lamium album | L. | Lamiaceae | 8 |
| Lamium amplexicaule | L. | Lamiaceae | 8 |
| Laphangium affine | (D.Don) Tzvelev | Asteraceae | 8 |
| Larix kaempferi | (Lamb.) Carrière | Pinaceae | 8 |
| Lasianthus attenuatus | Jack | Rubiaceae | 8 |
| Lasianthus curtisii | King & Gamble | Rubiaceae | 8 |
| Lasianthus fordii | Hance | Rubiaceae | 8 |
| Lasianthus japonicus | Miq. | Rubiaceae | 8 |
| Lasianthus verticillatus | (Lour.) Merr. | Rubiaceae | 8 |
| Lathyrus davidii | Hance | Fabaceae | 8 |
| Lathyrus japonicus | Willd. | Fabaceae | 8 |
| Lathyrus palustris | L. | Fabaceae | 8 |
| Lecanthus peduncularis | (Royle) Wedd. | Urticaceae | 8 |
| Leersia oryzoides | (L.) Sw. | Poaceae | 8 |
| Leibnitzia anandria | (L.) Turcz. | Asteraceae | 8 |
| Lemna aequinoctialis | Welw. | Araceae | 8 |
| Lemna minor | L. | Araceae | 8 |
| Lemna trisulca | L. | Araceae | 8 |
| Lemna turionifera | Landolt | Araceae | 8 |
| Leontopodium leontopodioides | (Willd.) Beauverd | Asteraceae | 8 |
| Lepidium apetalum | Willd. | Brassicaceae | 8 |
| Lepisorus ensatus | (Thunb.) C.F.Zhao, R.Wei & X.C.Zhang | Polypodiaceae | 8 |
| Lepisorus fortuni | (T.Moore) C.M.Kuo | Polypodiaceae | 8 |
| Lepisorus thunbergianus | Ching | Polypodiaceae | 8 |
| Leptochilus hemionitideus | (Wall. ex Mett.) Noot. | Polypodiaceae | 8 |
| Leptochilus wrightii | (Hook.) X.C.Zhang | Polypodiaceae | 8 |
| Leptochloa chinensis | (L.) Nees | Poaceae | 8 |
| Leptochloa panicea | (Retz.) Ohwi | Poaceae | 8 |
| Lepturus repens | (G.Forst.) R.Br. | Poaceae | 8 |
| Lespedeza bicolor | Turcz. | Fabaceae | 8 |
| Lespedeza cuneata | (Dum.Cours.) G.Don | Fabaceae | 8 |
| Lespedeza juncea | (L.f.) Pers. | Fabaceae | 8 |
| Leucas chinensis | (Retz.) Sm. | Lamiaceae | 8 |
| Leuzea uniflora | (L.) Holub | Asteraceae | 8 |
| Leymus mollis | (Trin.) Pilg. | Poaceae | 8 |
| Ligularia dentata | (A.Gray) Hara | Asteraceae | 8 |
| Ligularia fischeri | Turcz. | Asteraceae | 8 |
| Ligustrum japonicum | Thunb. | Oleaceae | 8 |
| Ligustrum obtusifolium | Siebold & Zucc. | Oleaceae | 8 |
| Ligustrum ovalifolium | Hassk. | Oleaceae | 8 |
| Lilium auratum | Lindl. | Liliaceae | 8 |
| Lilium lancifolium | Thunb. | Liliaceae | 8 |
| Lilium longiflorum | Thunb. | Liliaceae | 8 |
| Lilium maculatum | Thunb. | Liliaceae | 8 |
| Lilium medeoloides | A.Gray | Liliaceae | 8 |
| Lilium pensylvanicum | Ker Gawl. | Liliaceae | 8 |
| Limnophila sessiliflora | (Vahl) Blume | Plantaginaceae | 8 |
| Limosella aquatica | L. | Plantaginaceae | 8 |
| Lindera erythrocarpa | Makino | Lauraceae | 8 |
| Lindera glauca | (Siebold & Zucc.) Blume | Lauraceae | 8 |
| Lindera obtusiloba | Blume | Lauraceae | 8 |
| Lindera praecox | (Siebold & Zucc.) Blume | Lauraceae | 8 |
| Lindera umbellata | Thunb. | Lauraceae | 8 |
| Lindernia procumbens | (Krock.) Philcox | Linderniaceae | 8 |
| Lindsaea bonii | Christ | Lindsaeaceae | 8 |
| Lindsaea chienii | Ching | Lindsaeaceae | 8 |
| Lindsaea javanensis | Blume | Lindsaeaceae | 8 |
| Lindsaea orbiculata | (Lam.) Mett. ex Kuhn | Lindsaeaceae | 8 |
| Linnaea borealis | L. | Caprifoliaceae | 8 |
| Liparis bootanensis | Griff. | Orchidaceae | 8 |
| Liparis elliptica | Wight | Orchidaceae | 8 |
| Liparis formosana | Rchb.f. | Orchidaceae | 8 |
| Liparis nervosa | (Thunb.) Lindl. | Orchidaceae | 8 |
| Liparis odorata | (Willd.) Lindl. | Orchidaceae | 8 |
| Liriope muscari | (Decne.) L.H.Bailey | Asparagaceae | 8 |
| Liriope spicata | Lour. | Asparagaceae | 8 |
| Lithocarpus glaber | Nakai | Fagaceae | 8 |
| Lithospermum erythrorhizon | Siebold & Zucc. | Boraginaceae | 8 |
| Litsea coreana | H.Lév. | Lauraceae | 8 |
| Litsea cubeba | (Lour.) Pers. | Lauraceae | 8 |
| Livistona chinensis | (Jacq.) R.Br. ex Mart. | Arecaceae | 8 |
| Lobelia chinensis | Lour. | Campanulaceae | 8 |
| Lobelia sessilifolia | Lamb. | Campanulaceae | 8 |
| Lomatogonium carinthiacum | (Wulfen) A.Braun | Gentianaceae | 8 |
| Lonicera caerulea | L. | Caprifoliaceae | 8 |
| Lonicera chrysantha | Turcz. ex Ledeb. | Caprifoliaceae | 8 |
| Lonicera gracilipes | Miq. | Caprifoliaceae | 8 |
| Lonicera hypoglauca | Miq. | Caprifoliaceae | 8 |
| Lonicera japonica | Thunb. | Caprifoliaceae | 8 |
| Lonicera maackii | (Rupr.) Maxim. | Caprifoliaceae | 8 |
| Lonicera morrowii | A.Gray | Caprifoliaceae | 8 |
| Lonicera praeflorens | Batalin | Caprifoliaceae | 8 |
| Lophatherum gracile | Brongn. | Poaceae | 8 |
| Loxogramme salicifolia | Makino | Polypodiaceae | 8 |
| Ludwigia octovalvis | (Jacq.) P.H.Raven | Onagraceae | 8 |
| Ludwigia peploides | (Kunth) P.H.Raven | Onagraceae | 8 |
| Ludwigia perennis | L. | Onagraceae | 8 |
| Luisia teres | (Thunb.) Blume | Orchidaceae | 8 |
| Luzula capitata | (Miq. ex Franch. & Sav.) Kom. | Juncaceae | 8 |
| Luzula multiflora | (Ehrh.) Lej. | Juncaceae | 8 |
| Luzula pallescens | Sw. | Juncaceae | 8 |
| Lycianthes biflora | (Lour.) Bitter | Solanaceae | 8 |
| Lycium chinense | Mill. | Solanaceae | 8 |
| Lycopodiastrum casuarinoides | (Spring) Holub ex R.D.Dixit | Lycopodiaceae | 8 |
| Lycopodiella inundata | (L.) Holub | Lycopodiaceae | 8 |
| Lycopodium clavatum | L. | Lycopodiaceae | 8 |
| Lycopodium japonicum | Thunb. | Lycopodiaceae | 8 |
| Lycopus lucidus | Turcz. ex Benth. | Lamiaceae | 8 |
| Lycopus uniflorus | Michx. | Lamiaceae | 8 |
| Lycoris radiata | (L'Hér.) Herb. | Amaryllidaceae | 8 |
| Lycoris sanguinea | Maxim. | Amaryllidaceae | 8 |
| Lygodium japonicum | (Thunb.) Sw. | Lygodiaceae | 8 |
| Lyonia ovalifolia | (Wall.) Drude | Ericaceae | 8 |
| Lysichiton camtschatcensis | (L.) Schott | Araceae | 8 |
| Lysimachia clethroides | Duby | Primulaceae | 8 |
| Lysimachia davurica | Ledeb. | Primulaceae | 8 |
| Lysimachia decurrens | G.Forst. | Primulaceae | 8 |
| Lysimachia europaea | (L.) U.Manns & Anderb. | Primulaceae | 8 |
| Lysimachia japonica | Thunb. | Primulaceae | 8 |
| Lysimachia maritima | (L.) Galasso, Banfi & Soldano | Primulaceae | 8 |
| Lysimachia mauritiana | Lam. | Primulaceae | 8 |
| Lysimachia thyrsiflora | L. | Primulaceae | 8 |
| Lysionotus pauciflorus | Maxim. | Gesneriaceae | 8 |
| Lythrum salicaria | L. | Lythraceae | 8 |
| Maackia amurensis | Rupr. | Fabaceae | 8 |
| Machaerina rubiginosa | (Biehler) T.Koyama | Cyperaceae | 8 |
| Machilus thunbergii | Siebold & Zucc. | Lauraceae | 8 |
| Macleaya cordata | (Willd.) R.Br. | Papaveraceae | 8 |
| Maclura cochinchinensis | (Lour.) Corner | Moraceae | 8 |
| Macrothelypteris torresiana | (Gaudich.) Ching | Thelypteridaceae | 8 |
| Macrothelypteris viridifrons | (Tagawa) Ching | Thelypteridaceae | 8 |
| Maesa japonica | (Thunb.) Moritzi ex Zoll. | Primulaceae | 8 |
| Magnolia compressa | Maxim. | Magnoliaceae | 8 |
| Magnolia kobus | DC. | Magnoliaceae | 8 |
| Magnolia obovata | Thunb. | Magnoliaceae | 8 |
| Maianthemum bifolium | (L.) F.W.Schmidt | Asparagaceae | 8 |
| Maianthemum dilatatum | (Alph.Wood) A.Nelson & J.F.Macbr. | Asparagaceae | 8 |
| Maianthemum japonicum | (A.Gray) LaFrankie | Asparagaceae | 8 |
| Malaxis monophyllos | (L.) Sw. | Orchidaceae | 8 |
| Mallotus japonicus | (L.f.) Müll.Arg. | Euphorbiaceae | 8 |
| Malus baccata | (L.) Borkh. | Rosaceae | 8 |
| Marsdenia tinctoria | R.Br. | Apocynaceae | 8 |
| Marsdenia tomentosa | C.Morren & Decne. | Apocynaceae | 8 |
| Marsilea minuta | L. | Marsileaceae | 8 |
| Marsilea quadrifolia | L. | Marsileaceae | 8 |
| Mazus miquelii | Makino | Mazaceae | 8 |
| Mazus pumilus | (Burm.f.) Steenis | Mazaceae | 8 |
| Melampyrum laxum | Miq. | Orobanchaceae | 8 |
| Melampyrum roseum | Maxim. | Orobanchaceae | 8 |
| Melampyrum setaceum | (Maxim. ex Palib.) Nakai | Orobanchaceae | 8 |
| Melica nutans | L. | Poaceae | 8 |
| Melilotus suaveolens | Ledeb. | Fabaceae | 8 |
| Meliosma rigida | Siebold & Zucc. | Sabiaceae | 8 |
| Melochia corchorifolia | L. | Malvaceae | 8 |
| Menispermum dauricum | DC. | Menispermaceae | 8 |
| Mentha canadensis | L. | Lamiaceae | 8 |
| Menyanthes trifoliata | L. | Menyanthaceae | 8 |
| Mercurialis leiocarpa | Siebold & Zucc. | Euphorbiaceae | 8 |
| Metathelypteris uraiensis | (Rosenst.) Ching | Thelypteridaceae | 8 |
| Micranthes merkii | (Fisch. ex Sternb.) Elven & D.F.Murray | Saxifragaceae | 8 |
| Micranthes nelsoniana | (D.Don) Small | Saxifragaceae | 8 |
| Microlepia strigosa | Prantl | Dennstaedtiaceae | 8 |
| Micromeles japonica | (Decne.) Koehne | Rosaceae | 8 |
| Micropolypodium okuboi | (Yatabe) Hayata | Polypodiaceae | 8 |
| Microstegium vimineum | (Trin.) A.Camus | Poaceae | 8 |
| Microtis unifolia | (G.Forst.) Rchb.f. | Orchidaceae | 8 |
| Microtropis japonica | (Franch. & Sav.) Hallier f. | Celastraceae | 8 |
| Milium effusum | L. | Poaceae | 8 |
| Miscanthus floridulus | (Labill.) Warb. ex K.Schum. & Lauterb. | Poaceae | 8 |
| Miscanthus sacchariflorus | (Maxim.) Benth. & Hook.f. ex Franch. | Poaceae | 8 |
| Miscanthus sinensis | Andersson | Poaceae | 8 |
| Mitchella undulata | Siebold & Zucc. | Rubiaceae | 8 |
| Mitella nuda | L. | Saxifragaceae | 8 |
| Mitrasacme pygmaea | R.Br. | Loganiaceae | 8 |
| Moehringia lateriflora | (L.) Fenzl | Caryophyllaceae | 8 |
| Moehringia trinervia | [Clairv.] | Caryophyllaceae | 8 |
| Monachosorum maximowiczii | (Baker) Hayata | Dennstaedtiaceae | 8 |
| Moneses uniflora | (L.) A.Gray | Ericaceae | 8 |
| Monotropa uniflora | L. | Ericaceae | 8 |
| Monotropastrum humile | (D.Don) Hara | Ericaceae | 8 |
| Montia fontana | L. | Montiaceae | 8 |
| Morus indica | L. | Moraceae | 8 |
| Mosla dianthera | (Buch.-Ham. ex Roxb.) Maxim. | Lamiaceae | 8 |
| Mosla scabra | (Thunb.) C.Y.Wu & H.W.Li | Lamiaceae | 8 |
| Mucuna macrocarpa | Wall. | Fabaceae | 8 |
| Murdannia keisak | (Hassk.) Hand.-Mazz. | Commelinaceae | 8 |
| Murdannia loriformis | (Hassk.) R.S.Rao & Kammathy | Commelinaceae | 8 |
| Musa balbisiana | Colla | Musaceae | 8 |
| Mussaenda parviflora | Miq. | Rubiaceae | 8 |
| Myoporum bontioides | (Siebold & Zucc.) A.Gray | Scrophulariaceae | 8 |
| Myosotis sylvatica | Hoffm. | Boraginaceae | 8 |
| Myrica gale | L. | Myricaceae | 8 |
| Myrica rubra | (Lour.) Siebold & Zucc. | Myricaceae | 8 |
| Myriophyllum spicatum | L. | Haloragaceae | 8 |
| Myriophyllum verticillatum | L. | Haloragaceae | 8 |
| Myrsine seguinii | H.Lév. | Primulaceae | 8 |
| Myrsine stolonifera | (Koidz.) E.Walker | Primulaceae | 8 |
| Nageia nagi | (Thunb.) Kuntze | Podocarpaceae | 8 |
| Najas marina | L. | Hydrocharitaceae | 8 |
| Najas minor | All. | Hydrocharitaceae | 8 |
| Nanocnide japonica | Blume | Urticaceae | 8 |
| Narcissus tazetta | L. | Amaryllidaceae | 8 |
| Neillia incisa | (Thunb.) S.H.Oh | Rosaceae | 8 |
| Nekemias cantoniensis | (Hook. & Arn.) J.Wen & Z.L.Nie | Vitaceae | 8 |
| Nelumbo nucifera | Gaertn. | Nelumbonaceae | 8 |
| Neolitsea aciculata | (Blume) Koidz. | Lauraceae | 8 |
| Neolitsea sericea | (Blume) Koidz. | Lauraceae | 8 |
| Neoshirakia japonica | (Siebold & Zucc.) Esser | Euphorbiaceae | 8 |
| Neottia cordata | (L.) Rich. | Orchidaceae | 8 |
| Nepeta cataria | L. | Lamiaceae | 8 |
| Nephroia orbiculata | (L.) L.Lian & Wei Wang | Menispermaceae | 8 |
| Nephrolepis cordifolia | (L.) C.Presl | Nephrolepidaceae | 8 |
| Nephrophyllidium crista-galli | (Menzies ex Hook.) Gilg | Menyanthaceae | 8 |
| Nertera granadensis | (Mutis ex L.f.) Druce | Rubiaceae | 8 |
| Neslia paniculata | (L.) Desv. | Brassicaceae | 8 |
| Nihon japonicum | (Thunb.) A.Otero, Jim.Mejías, Valcárcel & P.Vargas | Boraginaceae | 8 |
| Nipponanthemum nipponicum | (Franch. ex Maxim.) Kitam. | Asteraceae | 8 |
| Nuphar japonica | DC. | Nymphaeaceae | 8 |
| Nuphar pumila | (Timm) DC. | Nymphaeaceae | 8 |
| Nymphaea tetragona | Georgi | Nymphaeaceae | 8 |
| Nymphoides indica | (L.) Kuntze | Menyanthaceae | 8 |
| Nymphoides peltata | (S.G.Gmel.) Kuntze | Menyanthaceae | 8 |
| Odontosoria biflora | (Kaulf.) C.Chr. | Lindsaeaceae | 8 |
| Odontosoria chinensis | (L.) J.Sm. | Lindsaeaceae | 8 |
| Odontosoria gracilis | (Tagawa) Ralf Knapp | Lindsaeaceae | 8 |
| Oenanthe javanica | DC. | Apiaceae | 8 |
| Ohwia caudata | (Thunb.) H.Ohashi | Fabaceae | 8 |
| Onoclea sensibilis | L. | Onocleaceae | 8 |
| Onychium japonicum | (Thunb.) Kunze | Pteridaceae | 8 |
| Ophioglossum petiolatum | Hook. | Ophioglossaceae | 8 |
| Ophioglossum thermale | Kom. | Ophioglossaceae | 8 |
| Ophioglossum vulgatum | L. | Ophioglossaceae | 8 |
| Ophiopogon japonicus | (Thunb.) Ker Gawl. | Asparagaceae | 8 |
| Ophiorrhiza japonica | Blume | Rubiaceae | 8 |
| Ophiorrhiza pumila | Champ. ex Benth. | Rubiaceae | 8 |
| Oplismenus compositus | (L.) P.Beauv. | Poaceae | 8 |
| Oplismenus hirtellus | (L.) P.Beauv. | Poaceae | 8 |
| Oplismenus undulatifolius | Roem. & Schult. | Poaceae | 8 |
| Oreocnide pedunculata | (Shirai) Masam. | Urticaceae | 8 |
| Oreopteris limbosperma | (All.) Holub | Thelypteridaceae | 8 |
| Oreopteris quelpartensis | (Christ) Holub | Thelypteridaceae | 8 |
| Orixa japonica | Thunb. | Rutaceae | 8 |
| Orobanche coerulescens | Stephan | Orobanchaceae | 8 |
| Orostachys malacophylla | (Pall.) Fisch. | Crassulaceae | 8 |
| Orthilia secunda | (L.) House | Ericaceae | 8 |
| Osbeckia chinensis | L. | Melastomataceae | 8 |
| Osmanthus fragrans | Lour. | Oleaceae | 8 |
| Osmanthus heterophyllus | (G.Don) P.S.Green | Oleaceae | 8 |
| Osmolindsaea japonica | (Baker) Lehtonen & Christenh. | Lindsaeaceae | 8 |
| Osmolindsaea odorata | (Roxb.) Lehtonen & Christenh. | Lindsaeaceae | 8 |
| Osmorhiza aristata | (Thunb.) Rydb. | Apiaceae | 8 |
| Osmunda japonica | Thunb. | Osmundaceae | 8 |
| Osmundastrum cinnamomeum | (L.) C.Presl | Osmundaceae | 8 |
| Osteomeles anthyllidifolia | (Sm.) Lindl. | Rosaceae | 8 |
| Ottelia alismoides | (L.) Pers. | Hydrocharitaceae | 8 |
| Oxalis acetosella | L. | Oxalidaceae | 8 |
| Oxalis corniculata | L. | Oxalidaceae | 8 |
| Oxalis nipponica | S.Aoki & J.Murata | Oxalidaceae | 8 |
| Oxalis stricta | L. | Oxalidaceae | 8 |
| Oxyria digyna | (L.) Hill | Polygonaceae | 8 |
| Oxytropis campestris | (L.) DC. | Fabaceae | 8 |
| Pachygone laurifolia | (DC.) L.Lian & Wei Wang | Menispermaceae | 8 |
| Pachysandra terminalis | Siebold & Zucc. | Buxaceae | 8 |
| Paederia foetida | L. | Rubiaceae | 8 |
| Paeonia obovata | Maxim. | Paeoniaceae | 8 |
| Palhinhaea cernua | (L.) Vasc. & Franco | Lycopodiaceae | 8 |
| Paliurus ramosissimus | Poir. | Rhamnaceae | 8 |
| Panicum bisulcatum | Thunb. | Poaceae | 8 |
| Panicum repens | L. | Poaceae | 8 |
| Paraprenanthes sororia | (Miq.) C.Shih | Asteraceae | 8 |
| Parasenecio hastatus | (L.) H.Koyama | Asteraceae | 8 |
| Parietaria debilis | G.Forst. | Urticaceae | 8 |
| Paris verticillata | M.Bieb. | Melanthiaceae | 8 |
| Parnassia palustris | L. | Celastraceae | 8 |
| Parthenocissus tricuspidata | (Siebold & Zucc.) Planch. | Vitaceae | 8 |
| Paspalum orbiculare | G.Forst. | Poaceae | 8 |
| Paspalum thunbergii | Kunth ex Steud. | Poaceae | 8 |
| Patrinia scabiosifolia | Link | Caprifoliaceae | 8 |
| Patrinia sibirica | (L.) Juss. | Caprifoliaceae | 8 |
| Patrinia villosa | (Thunb.) Dufr. | Caprifoliaceae | 8 |
| Pecteilis radiata | (Thunb.) Raf. | Orchidaceae | 8 |
| Pedicularis oederi | Vahl | Orobanchaceae | 8 |
| Pedicularis resupinata | L. | Orobanchaceae | 8 |
| Pedicularis verticillata | L. | Orobanchaceae | 8 |
| Pellionia pellucida | (Raf.) Merr. | Urticaceae | 8 |
| Pennellianthus frutescens | (Lamb.) Crosswh. | Plantaginaceae | 8 |
| Pentanema salicinum | (L.) D.Gut.Larr., Santos-Vicente, Anderb., E.Rico & M.M.Mart.Ort. | Asteraceae | 8 |
| Pentarhizidium orientale | (Hook.) Hayata | Onocleaceae | 8 |
| Peperomia japonica | Makino | Piperaceae | 8 |
| Peracarpa carnosa | Hook.f. & Thomson | Campanulaceae | 8 |
| Perilla frutescens | (L.) Britton | Lamiaceae | 8 |
| Peristylus densus | (Lindl.) Santapau & Kapadia | Orchidaceae | 8 |
| Persicaria amphibia | (L.) Delarbre | Polygonaceae | 8 |
| Persicaria bistorta | (L.) Samp. | Polygonaceae | 8 |
| Persicaria chinensis | (L.) H.Gross | Polygonaceae | 8 |
| Persicaria extremiorientalis | (Vorosch.) Tzvelev | Polygonaceae | 8 |
| Persicaria hydropiper | (L.) Delarbre | Polygonaceae | 8 |
| Persicaria lapathifolia | (L.) Delarbre | Polygonaceae | 8 |
| Persicaria longiseta | (Bruijn) Kitag. | Polygonaceae | 8 |
| Persicaria maculosa | Gray | Polygonaceae | 8 |
| Persicaria nepalensis | (Meisn.) Miyabe | Polygonaceae | 8 |
| Persicaria sagittata | (L.) H.Gross | Polygonaceae | 8 |
| Persicaria vivipara | (L.) Ronse Decr. | Polygonaceae | 8 |
| Pertya scandens | (Thunb.) Sch.Bip. | Asteraceae | 8 |
| Petasites japonicus | (Siebold & Zucc.) Maxim. | Asteraceae | 8 |
| Peucedanum japonicum | Thunb. | Apiaceae | 8 |
| Phaius flavus | (Blume) Lindl. | Orchidaceae | 8 |
| Phalaris arundinacea | L. | Poaceae | 8 |
| Phedimus aizoon | (L.) 't Hart | Crassulaceae | 8 |
| Phedimus ellacombeanus | (Praeger) 't Hart | Crassulaceae | 8 |
| Phedimus kamtschaticus | (Fisch. & C.A.Mey.) 't Hart | Crassulaceae | 8 |
| Phegopteris connectilis | (Michx.) Watt | Thelypteridaceae | 8 |
| Phegopteris decursive-pinnata | Fée | Thelypteridaceae | 8 |
| Phellodendron amurense | Rupr. | Rutaceae | 8 |
| Phlegmariurus phlegmaria | (L.) Holub | Lycopodiaceae | 8 |
| Phleum alpinum | L. | Poaceae | 8 |
| Phragmites australis | (Cav.) Steud. | Poaceae | 8 |
| Phragmites karka | (Retz.) Trin. ex Steud. | Poaceae | 8 |
| Phtheirospermum japonicum | (Thunb.) Kanitz | Orobanchaceae | 8 |
| Phyla nodiflora | (L.) Greene | Verbenaceae | 8 |
| Phyllanthus urinaria | L. | Phyllanthaceae | 8 |
| Phyllodoce aleutica | (Spreng.) A.Heller | Ericaceae | 8 |
| Phyllodoce caerulea | (L.) Bab. | Ericaceae | 8 |
| Phytolacca acinosa | Roxb. | Phytolaccaceae | 8 |
| Phytolacca japonica | Makino | Phytolaccaceae | 8 |
| Picea jezoensis | (Siebold & Zucc.) Carrière | Pinaceae | 8 |
| Pieris japonica | (Thunb.) D.Don ex G.Don | Ericaceae | 8 |
| Pilea angulata | (Blume) Blume | Urticaceae | 8 |
| Pilea mongolica | Wedd. | Urticaceae | 8 |
| Pilea peploides | (Gaudich.) Hook. & Arn. | Urticaceae | 8 |
| Pinellia ternata | (Thunb.) Makino | Araceae | 8 |
| Pinguicula macroceras | Pall. ex Link | Lentibulariaceae | 8 |
| Pinus densiflora | Siebold & Zucc. | Pinaceae | 8 |
| Pinus koraiensis | Siebold & Zucc. | Pinaceae | 8 |
| Pinus parviflora | Siebold & Zucc. | Pinaceae | 8 |
| Pinus pumila | (Parl.) Regel | Pinaceae | 8 |
| Pinus thunbergii | Parl. | Pinaceae | 8 |
| Piper kadsura | (Choisy) Ohwi | Piperaceae | 8 |
| Pittosporum illicioides | Makino | Pittosporaceae | 8 |
| Pittosporum tobira | (Thunb.) W.T.Aiton | Pittosporaceae | 8 |
| Plagiogyria adnata | (Blume) Bedd. | Plagiogyriaceae | 8 |
| Plagiogyria euphlebia | (Kunze) Mett. | Plagiogyriaceae | 8 |
| Plagiogyria japonica | Nakai | Plagiogyriaceae | 8 |
| Plagiogyria stenoptera | (Hance) Diels | Plagiogyriaceae | 8 |
| Plantago asiatica | L. | Plantaginaceae | 8 |
| Plantago major | L. | Plantaginaceae | 8 |
| Platanthera brevicalcarata | Hayata | Orchidaceae | 8 |
| Platanthera convallariifolia | (Fisch. ex Lindl.) Lindl. | Orchidaceae | 8 |
| Platanthera fuscescens | (L.) Kraenzl. | Orchidaceae | 8 |
| Platanthera minor | (Miq.) Rchb.f. | Orchidaceae | 8 |
| Platycarya strobilacea | Siebold & Zucc. | Juglandaceae | 8 |
| Platycodon grandiflorus | (Jacq.) A.DC. | Campanulaceae | 8 |
| Pleioblastus argenteostriatus | (Regel) Nakai | Poaceae | 8 |
| Plenasium banksiifolium | (C.Presl) C.Presl | Osmundaceae | 8 |
| Pleurospermum uralense | Hoffm. | Apiaceae | 8 |
| Poa acroleuca | Steud. | Poaceae | 8 |
| Poa annua | L. | Poaceae | 8 |
| Poa glauca | Vahl | Poaceae | 8 |
| Poa nemoralis | L. | Poaceae | 8 |
| Poacynum venetum | (L.) Mavrodiev, Laktionov & Yu.E.Alexeev | Apocynaceae | 8 |
| Podocarpus fasciculus | de Laub. | Podocarpaceae | 8 |
| Podocarpus macrophyllus | (Thunb.) Sweet | Podocarpaceae | 8 |
| Pogonatherum crinitum | (Thunb.) Kunth | Poaceae | 8 |
| Polemonium caeruleum | L. | Polemoniaceae | 8 |
| Pollia japonica | Thunb. | Commelinaceae | 8 |
| Pollia miranda | (H.Lév.) H.Hara | Commelinaceae | 8 |
| Polygala japonica | Houtt. | Polygalaceae | 8 |
| Polygala sibirica | L. | Polygalaceae | 8 |
| Polygala tatarinowii | Regel | Polygalaceae | 8 |
| Polygonatum humile | Fisch. ex Maxim. | Asparagaceae | 8 |
| Polygonatum involucratum | (Franch. & Sav.) Maxim. | Asparagaceae | 8 |
| Polygonatum odoratum | (Mill.) Druce | Asparagaceae | 8 |
| Polygonum aviculare | L. | Polygonaceae | 8 |
| Polygonum perfoliatum | L. | Polygonaceae | 8 |
| Polygonum posumbu | Buch.-Ham. ex D.Don | Polygonaceae | 8 |
| Polygonum praetermissum | Hook.f. | Polygonaceae | 8 |
| Polygonum pubescens | Blume | Polygonaceae | 8 |
| Polygonum senticosum | (Meisn.) Franch. & Sav. | Polygonaceae | 8 |
| Polygonum thunbergii | Siebold & Zucc. | Polygonaceae | 8 |
| Polypodium sibiricum | Sipliv. | Polypodiaceae | 8 |
| Polypodium vulgare | L. | Polypodiaceae | 8 |
| Polypogon fugax | Nees ex Steud. | Poaceae | 8 |
| Polypogon monspeliensis | (L.) Desf. | Poaceae | 8 |
| Polystichum acutidens | Christ | Dryopteridaceae | 8 |
| Polystichum atkinsonii | Bedd. | Dryopteridaceae | 8 |
| Polystichum braunii | (Spenn.) Fée | Dryopteridaceae | 8 |
| Polystichum deltodon | (Baker) Diels | Dryopteridaceae | 8 |
| Polystichum lepidocaulon | (Hook.) J.Sm. | Dryopteridaceae | 8 |
| Polystichum lonchitis | (L.) Roth | Dryopteridaceae | 8 |
| Polystichum luctuosum | (Kunze) T.Moore | Dryopteridaceae | 8 |
| Polystichum scariosum | (Roxb.) C.V.Morton | Dryopteridaceae | 8 |
| Polystichum tripteron | (Kunze) C.Presl | Dryopteridaceae | 8 |
| Pongamia pinnata | (L.) Pierre | Fabaceae | 8 |
| Pontederia korsakowii | (Regel & Maack) M.Pell. & C.N.Horn | Pontederiaceae | 8 |
| Pontederia vaginalis | Burm.f. | Pontederiaceae | 8 |
| Populus tremula | L. | Salicaceae | 8 |
| Potamogeton alpinus | Balb. | Potamogetonaceae | 8 |
| Potamogeton berchtoldii | Fieber | Potamogetonaceae | 8 |
| Potamogeton compressus | L. | Potamogetonaceae | 8 |
| Potamogeton crispus | L. | Potamogetonaceae | 8 |
| Potamogeton gramineus | L. | Potamogetonaceae | 8 |
| Potamogeton natans | L. | Potamogetonaceae | 8 |
| Potamogeton obtusifolius | Mert. & W.D.J.Koch | Potamogetonaceae | 8 |
| Potamogeton octandrus | Poir. | Potamogetonaceae | 8 |
| Potamogeton perfoliatus | L. | Potamogetonaceae | 8 |
| Potamogeton praelongus | Wulfen | Potamogetonaceae | 8 |
| Potamogeton pusillus | L. | Potamogetonaceae | 8 |
| Potamogeton wrightii | Morong | Potamogetonaceae | 8 |
| Potentilla centigrana | Maxim. | Rosaceae | 8 |
| Potentilla chinensis | Ser. | Rosaceae | 8 |
| Potentilla discolor | Bunge | Rosaceae | 8 |
| Potentilla fragarioides | L. | Rosaceae | 8 |
| Potentilla freyniana | Bornm. | Rosaceae | 8 |
| Potentilla hebiichigo | Yonek. & H.Ohashi | Rosaceae | 8 |
| Potentilla indica | (Andrews) Th.Wolf | Rosaceae | 8 |
| Potentilla matsumurae | Th.Wolf | Rosaceae | 8 |
| Potentilla nivea | L. | Rosaceae | 8 |
| Potentilla supina | L. | Rosaceae | 8 |
| Pouzolzia zeylanica | (L.) Benn. | Urticaceae | 8 |
| Premna microphylla | Turcz. | Lamiaceae | 8 |
| Primula cuneifolia | Ledeb. | Primulaceae | 8 |
| Primula japonica | A.Gray | Primulaceae | 8 |
| Primula matthioli | (L.) V.A.Richt. | Primulaceae | 8 |
| Prunella vulgaris | L. | Lamiaceae | 8 |
| Prunus buergeriana | Miq. | Rosaceae | 8 |
| Prunus grayana | Maxim. | Rosaceae | 8 |
| Prunus incisa | Thunb. | Rosaceae | 8 |
| Prunus itosakura | Siebold | Rosaceae | 8 |
| Prunus jamasakura | (Makino) Siebold ex Koidz. | Rosaceae | 8 |
| Prunus maximowiczii | Rupr. | Rosaceae | 8 |
| Prunus padus | L. | Rosaceae | 8 |
| Prunus sargentii | Rehder | Rosaceae | 8 |
| Prunus speciosa | (Koidz.) Nakai | Rosaceae | 8 |
| Prunus spinulosa | Siebold & Zucc. | Rosaceae | 8 |
| Prunus zippeliana | Miq. | Rosaceae | 8 |
| Pseudathyrium alpestre | (Hoppe) Newman | Athyriaceae | 8 |
| Pseudocyclosorus esquirolii | (Christ) Ching | Thelypteridaceae | 8 |
| Pseudolycopodiella caroliniana | (L.) Holub | Lycopodiaceae | 8 |
| Pseudoraphis brunoniana | (Griff.) Pilg. | Poaceae | 8 |
| Pseudosasa japonica | (Siebold & Zucc. ex Steud.) Makino ex Nakai | Poaceae | 8 |
| Psilotum nudum | (L.) P.Beauv. | Psilotaceae | 8 |
| Psychotria asiatica | L. | Rubiaceae | 8 |
| Psychotria serpens | L. | Rubiaceae | 8 |
| Pteris cretica | L. | Pteridaceae | 8 |
| Pteris deltodon | Baker | Pteridaceae | 8 |
| Pteris dispar | Kunze | Pteridaceae | 8 |
| Pteris ensiformis | Burm. | Pteridaceae | 8 |
| Pteris fauriei | Hieron. | Pteridaceae | 8 |
| Pteris grevilleana | Wall. ex J.Agardh | Pteridaceae | 8 |
| Pteris kidoi | Sa.Kurata | Pteridaceae | 8 |
| Pteris longipes | D.Don | Pteridaceae | 8 |
| Pteris multifida | Poir. | Pteridaceae | 8 |
| Pteris parkeri | hort.; Gard.Chr. | Pteridaceae | 8 |
| Pteris semipinnata | L. | Pteridaceae | 8 |
| Pteris terminalis | Wall. ex J.Agardh | Pteridaceae | 8 |
| Pteris vittata | L. | Pteridaceae | 8 |
| Pteris wulaiensis | C.M.Kuo | Pteridaceae | 8 |
| Pterocarya rhoifolia | Siebold & Zucc. | Juglandaceae | 8 |
| Pueraria montana | (Lour.) Merr. | Fabaceae | 8 |
| Pulsatilla cernua | (Thunb.) Bercht. & J.Presl | Ranunculaceae | 8 |
| Pyrola asarifolia | Michx. | Ericaceae | 8 |
| Pyrola japonica | Klenze ex Alef. | Ericaceae | 8 |
| Pyrola minor | L. | Ericaceae | 8 |
| Pyrola renifolia | Maxim. | Ericaceae | 8 |
| Pyrola rotundifolia | L. | Ericaceae | 8 |
| Pyrrosia linearifolia | (Hook.) Ching | Polypodiaceae | 8 |
| Pyrrosia lingua | (Thunb.) Farw. | Polypodiaceae | 8 |
| Pyrrosia piloselloides | (L.) M.G.Price | Polypodiaceae | 8 |
| Pyrus calleryana | Decne. | Rosaceae | 8 |
| Quercus acuta | Thunb. | Fagaceae | 8 |
| Quercus acutissima | Carruth. | Fagaceae | 8 |
| Quercus dentata | Thunb. | Fagaceae | 8 |
| Quercus gilva | Blume | Fagaceae | 8 |
| Quercus glauca | Thunb. | Fagaceae | 8 |
| Quercus mongolica | Fisch. ex Turcz. | Fagaceae | 8 |
| Quercus myrsinifolia | Blume | Fagaceae | 8 |
| Quercus phillyreoides | A.Gray | Fagaceae | 8 |
| Quercus salicina | Blume | Fagaceae | 8 |
| Quercus serrata | Murray | Fagaceae | 8 |
| Quercus sessilifolia | Blume | Fagaceae | 8 |
| Quercus variabilis | Blume | Fagaceae | 8 |
| Ranunculus cantoniensis | DC. | Ranunculaceae | 8 |
| Ranunculus franchetii | H.Boissieu | Ranunculaceae | 8 |
| Ranunculus japonicus | Thunb. | Ranunculaceae | 8 |
| Ranunculus kauffmannii | Clerc | Ranunculaceae | 8 |
| Ranunculus pygmaeus | Wahlenb. | Ranunculaceae | 8 |
| Ranunculus repens | L. | Ranunculaceae | 8 |
| Ranunculus reptans | L. | Ranunculaceae | 8 |
| Ranunculus sceleratus | L. | Ranunculaceae | 8 |
| Ranunculus sieboldii | Miq. | Ranunculaceae | 8 |
| Ranunculus silerifolius | H.Lév. | Ranunculaceae | 8 |
| Reynoutria japonica | Houtt. | Polygonaceae | 8 |
| Reynoutria sachalinensis | (F.Schmidt) Nakai | Polygonaceae | 8 |
| Rhamnus davurica | Pall. | Rhamnaceae | 8 |
| Rhaphiolepis indica | (L.) Lindl. | Rosaceae | 8 |
| Rhaphiolepis umbellata | (Thunb.) Makino | Rosaceae | 8 |
| Rhodiola rosea | L. | Crassulaceae | 8 |
| Rhododendron aureum | Georgi | Ericaceae | 8 |
| Rhododendron camtschaticum | Pall. | Ericaceae | 8 |
| Rhododendron dauricum | L. | Ericaceae | 8 |
| Rhododendron kaempferi | Planch. | Ericaceae | 8 |
| Rhododendron lapponicum | (L.) Wahlenb. | Ericaceae | 8 |
| Rhododendron mucronulatum | Turcz. | Ericaceae | 8 |
| Rhododendron quinquefolium | Bisset & S.Moore | Ericaceae | 8 |
| Rhododendron stenopetalum | (R.Hogg) Mabb. | Ericaceae | 8 |
| Rhododendron tashiroi | Maxim. | Ericaceae | 8 |
| Rhododendron tomentosum | Harmaja | Ericaceae | 8 |
| Rhododendron wadanum | Makino | Ericaceae | 8 |
| Rhodotypos scandens | (Thunb.) Makino | Rosaceae | 8 |
| Rhomboda yakusimensis | (Masam.) Ormerod | Orchidaceae | 8 |
| Rhus chinensis | Mill. | Anacardiaceae | 8 |
| Rhynchosia volubilis | Lour. | Fabaceae | 8 |
| Rhynchospora alba | (L.) Vahl | Cyperaceae | 8 |
| Rhynchospora brownii | Roem. & Schult. | Cyperaceae | 8 |
| Rhynchotechum discolor | (Maxim.) B.L.Burtt | Gesneriaceae | 8 |
| Ribes maximoviczianum | Kom. | Grossulariaceae | 8 |
| Ribes triste | Pall. | Grossulariaceae | 8 |
| Rorippa cantoniensis | (Lour.) Ohwi | Brassicaceae | 8 |
| Rorippa dubia | (Pers.) Hara | Brassicaceae | 8 |
| Rorippa indica | (L.) Hiern | Brassicaceae | 8 |
| Rorippa palustris | (L.) Besser | Brassicaceae | 8 |
| Rosa acicularis | Lindl. | Rosaceae | 8 |
| Rosa davurica | Pall. | Rosaceae | 8 |
| Rosa multiflora | Thunb. | Rosaceae | 8 |
| Rosa rugosa | Thunb. | Rosaceae | 8 |
| Rotala rotundifolia | (Buch.-Ham. ex Roxb.) Koehne | Lythraceae | 8 |
| Rubia argyi | (H.Lév. & Vaniot) H.Hara | Rubiaceae | 8 |
| Rubia chinensis | Regel & Maack | Rubiaceae | 8 |
| Rubia cordifolia | L. | Rubiaceae | 8 |
| Rubus arcticus | L. | Rosaceae | 8 |
| Rubus buergeri | Miq. | Rosaceae | 8 |
| Rubus chamaemorus | L. | Rosaceae | 8 |
| Rubus conduplicatus | Duthie ex J.H.Veitch | Rosaceae | 8 |
| Rubus corchorifolius | L.f. | Rosaceae | 8 |
| Rubus crataegifolius | Bunge | Rosaceae | 8 |
| Rubus croceacanthus | H.Lév. | Rosaceae | 8 |
| Rubus grayanus | Maxim. | Rosaceae | 8 |
| Rubus hirsutus | Thunb. | Rosaceae | 8 |
| Rubus idaeus | L. | Rosaceae | 8 |
| Rubus lambertianus | Ser. | Rosaceae | 8 |
| Rubus microphyllus | L.f. | Rosaceae | 8 |
| Rubus okinawensis | Koidz. | Rosaceae | 8 |
| Rubus parvifolius | L. | Rosaceae | 8 |
| Rubus pectinellus | Maxim. | Rosaceae | 8 |
| Rubus pedatus | Sm. | Rosaceae | 8 |
| Rubus phoenicolasius | Maxim. | Rosaceae | 8 |
| Rumex acetosa | L. | Polygonaceae | 8 |
| Rumex alpestris | Jacq. | Polygonaceae | 8 |
| Rumex dentatus | L. | Polygonaceae | 8 |
| Rumex japonicus | Houtt. | Polygonaceae | 8 |
| Rumex longifolius | DC. | Polygonaceae | 8 |
| Rumex maritimus | L. | Polygonaceae | 8 |
| Ruppia cirrhosa | (Petagna) Grande | Ruppiaceae | 8 |
| Ruppia maritima | L. | Ruppiaceae | 8 |
| Sabulina verna | (L.) Rchb. | Caryophyllaceae | 8 |
| Saccharum spontaneum | L. | Poaceae | 8 |
| Sacciolepis indica | Chase | Poaceae | 8 |
| Sageretia thea | (Osbeck) M.C.Johnst. | Rhamnaceae | 8 |
| Sagina japonica | (Sw. ex Steud.) Ohwi | Caryophyllaceae | 8 |
| Sagina maxima | A.Gray | Caryophyllaceae | 8 |
| Sagina saginoides | (L.) H.Karst. | Caryophyllaceae | 8 |
| Sagittaria natans | Pall. | Alismataceae | 8 |
| Sagittaria trifolia | L. | Alismataceae | 8 |
| Salicornia perennans | Willd. | Chenopodiaceae | 8 |
| Salix caprea | L. | Salicaceae | 8 |
| Salix gracilistyla | Miq. | Salicaceae | 8 |
| Salix nipponica | Franch. & Sav. | Salicaceae | 8 |
| Salix schwerinii | E.L.Wolf | Salicaceae | 8 |
| Salix triandra | L. | Salicaceae | 8 |
| Salix udensis | Trautv. & C.A.Mey. | Salicaceae | 8 |
| Salomonia ciliata | (L.) DC. | Polygalaceae | 8 |
| Salvia japonica | Thunb. | Lamiaceae | 8 |
| Salvia nipponica | Miq. | Lamiaceae | 8 |
| Salvia plebeia | R.Br. | Lamiaceae | 8 |
| Salvinia natans | (L.) All. | Salviniaceae | 8 |
| Sambucus javanica | Reinw. ex Blume | Viburnaceae | 8 |
| Sambucus sieboldiana | (Miq.) Graebn. | Viburnaceae | 8 |
| Sambucus williamsii | Hance | Viburnaceae | 8 |
| Samolus parviflorus | Raf. | Primulaceae | 8 |
| Sanguisorba officinalis | L. | Rosaceae | 8 |
| Sanguisorba stipulata | Raf. | Rosaceae | 8 |
| Sanguisorba tenuifolia | Fisch. ex Link | Rosaceae | 8 |
| Sanicula chinensis | Bunge | Apiaceae | 8 |
| Sanicula rubriflora | F.Schmidt | Apiaceae | 8 |
| Sarcandra glabra | (Thunb.) Nakai | Chloranthaceae | 8 |
| Sasa palmata | (Burb.) E.G.Camus | Poaceae | 8 |
| Saururus chinensis | (Lour.) Baill. | Saururaceae | 8 |
| Saussurea lyrata | (Bunge) Franch. | Asteraceae | 8 |
| Saxifraga bronchialis | L. | Saxifragaceae | 8 |
| Saxifraga cernua | L. | Saxifragaceae | 8 |
| Saxifraga stolonifera | Curtis | Saxifragaceae | 8 |
| Scaevola taccada | (Gaertn.) Roxb. | Goodeniaceae | 8 |
| Sceptridium formosanum | (Tagawa) Holub | Ophioglossaceae | 8 |
| Sceptridium multifidum | (S.G.Gmel.) M.Nishida | Ophioglossaceae | 8 |
| Sceptridium ternatum | (Thunb.) Lyon | Ophioglossaceae | 8 |
| Schenkia japonica | (Maxim.) G.Mans. | Gentianaceae | 8 |
| Scheuchzeria palustris | L. | Scheuchzeriaceae | 8 |
| Schisandra chinensis | (Turcz.) Baill. | Schisandraceae | 8 |
| Schizachne purpurascens | (Torr.) Swallen | Poaceae | 8 |
| Schoenoplectiella juncoides | (Roxb.) Lye | Cyperaceae | 8 |
| Schoenoplectiella komarovii | (Roshev.) J.Jung & H.K.Choi | Cyperaceae | 8 |
| Schoenoplectiella mucronata | (L.) J.Jung & H.K.Choi | Cyperaceae | 8 |
| Schoenoplectus lacustris | (L.) Palla | Cyperaceae | 8 |
| Schoenoplectus tabernaemontani | (C.C.Gmel.) Palla | Cyperaceae | 8 |
| Schoenoplectus triqueter | (L.) Palla | Cyperaceae | 8 |
| Schoenus apogon | Roem. & Schult. | Cyperaceae | 8 |
| Scirpus radicans | Schkuhr | Cyperaceae | 8 |
| Scirpus ternatanus | Reinw. ex Miq. | Cyperaceae | 8 |
| Scleria levis | Retz. | Cyperaceae | 8 |
| Scleria rugosa | R.Br. | Cyperaceae | 8 |
| Scleria terrestris | (L.) Fassett | Cyperaceae | 8 |
| Scleromitrion diffusum | (Willd.) R.J.Wang | Rubiaceae | 8 |
| Scopolia japonica | Maxim. | Solanaceae | 8 |
| Scutellaria barbata | D.Don | Lamiaceae | 8 |
| Scutellaria brachyspica | Nakai & H.Hara | Lamiaceae | 8 |
| Scutellaria galericulata | L. | Lamiaceae | 8 |
| Scutellaria indica | L. | Lamiaceae | 8 |
| Scutellaria rubropunctata | Hayata | Lamiaceae | 8 |
| Sedum bulbiferum | Makino | Crassulaceae | 8 |
| Sedum formosanum | N.E.Br. | Crassulaceae | 8 |
| Sedum makinoi | Maxim. | Crassulaceae | 8 |
| Sedum sarmentosum | Bunge | Crassulaceae | 8 |
| Selaginella doederleinii | Hieron. | Selaginellaceae | 8 |
| Selaginella helvetica | (L.) Spring | Selaginellaceae | 8 |
| Selaginella involvens | (Sw.) Spring | Selaginellaceae | 8 |
| Selaginella remotifolia | Spring | Selaginellaceae | 8 |
| Selaginella sibirica | (Milde) Hieron. | Selaginellaceae | 8 |
| Selaginella spinulosa | A.Braun ex Döll | Selaginellaceae | 8 |
| Selaginella tamariscina | (P.Beauv.) Spring | Selaginellaceae | 8 |
| Selliguea engleri | (Luerss.) Fraser-Jenk. | Polypodiaceae | 8 |
| Selliguea hastata | (Thunb.) Fraser-Jenk. | Polypodiaceae | 8 |
| Selliguea yakushimensis | (Makino) Fraser-Jenk. | Polypodiaceae | 8 |
| Semiaquilegia adoxoides | Makino | Ranunculaceae | 8 |
| Senecio nemorensis | L. | Asteraceae | 8 |
| Senecio scandens | Buch.-Ham. ex D.Don | Asteraceae | 8 |
| Serratula coronata | L. | Asteraceae | 8 |
| Sesuvium portulacastrum | (L.) L. | Aizoaceae | 8 |
| Setaria faberi | R.A.W.Herrm. | Poaceae | 8 |
| Setaria palmifolia | (J.Koenig) Stapf | Poaceae | 8 |
| Setaria pumila | (Poir.) Roem. & Schult. | Poaceae | 8 |
| Setaria viridis | (L.) P.Beauv. | Poaceae | 8 |
| Sibbaldia procumbens | L. | Rosaceae | 8 |
| Sida rhombifolia | L. | Malvaceae | 8 |
| Sieversia pentapetala | (L.) Greene | Rosaceae | 8 |
| Sigesbeckia orientalis | L. | Asteraceae | 8 |
| Sigesbeckia pubescens | (Makino) Makino | Asteraceae | 8 |
| Silene baccifera | (L.) Durande | Caryophyllaceae | 8 |
| Silene firma | Siebold & Zucc. | Caryophyllaceae | 8 |
| Silene foliosa | Maxim. | Caryophyllaceae | 8 |
| Silene repens | Patrin | Caryophyllaceae | 8 |
| Silene uralensis | (Rupr.) Bocquet | Caryophyllaceae | 8 |
| Silene wilfordii | (Regel) H.Ohashi & H.Nakai | Caryophyllaceae | 8 |
| Siphonostegia chinensis | Benth. | Orobanchaceae | 8 |
| Sitobolium hirsutum | (Sw.) L.A.Triana & Sundue | Dennstaedtiaceae | 8 |
| Sitobolium zeylanicum | (Sw.) L.A.Triana & Sundue | Dennstaedtiaceae | 8 |
| Sium suave | Walter | Apiaceae | 8 |
| Skimmia japonica | Thunb. | Rutaceae | 8 |
| Smilax bracteata | C.Presl | Smilacaceae | 8 |
| Smilax china | L. | Smilacaceae | 8 |
| Smilax riparia | A.DC. | Smilacaceae | 8 |
| Solanum dulcamara | L. | Solanaceae | 8 |
| Solanum lyratum | Thunb. | Solanaceae | 8 |
| Solanum nigrum | L. | Solanaceae | 8 |
| Solidago decurrens | Lour. | Asteraceae | 8 |
| Solidago multiradiata | Aiton | Asteraceae | 8 |
| Solidago virgaurea | L. | Asteraceae | 8 |
| Sophora flavescens | Aiton | Fabaceae | 8 |
| Sorbaria sorbifolia | (L.) A.Braun | Rosaceae | 8 |
| Sorbus commixta | Hedl. | Rosaceae | 8 |
| Sorbus sambucifolia | (Cham. & Schltdl.) M.Roem. | Rosaceae | 8 |
| Sparganium angustifolium | Michx. | Typhaceae | 8 |
| Sparganium emersum | Rehmann | Typhaceae | 8 |
| Sparganium eurycarpum | Engelm. | Typhaceae | 8 |
| Sparganium fallax | Graebn. | Typhaceae | 8 |
| Spergularia marina | (L.) Besser | Caryophyllaceae | 8 |
| Spermacoce articularis | L.f. | Rubiaceae | 8 |
| Sphagneticola calendulacea | (L.) Pruski | Asteraceae | 8 |
| Sphallerocarpus gracilis | (Besser ex Trevir.) Koso-Pol. | Apiaceae | 8 |
| Spicantopsis niponica | Nakai | Blechnaceae | 8 |
| Spinifex littoreus | (Burm.f.) Merr. | Poaceae | 8 |
| Spiraea betulifolia | Pall. | Rosaceae | 8 |
| Spiraea blumei | G.Don | Rosaceae | 8 |
| Spiraea chamaedryfolia | L. | Rosaceae | 8 |
| Spiraea japonica | L.f. | Rosaceae | 8 |
| Spiraea salicifolia | L. | Rosaceae | 8 |
| Spiraea thunbergii | Siebold ex Blume | Rosaceae | 8 |
| Spiranthes australis | (R.Br.) Lindl. | Orchidaceae | 8 |
| Spiranthes flexuosa | (Sm.) Lindl. | Orchidaceae | 8 |
| Spiranthes sinensis | (Pers.) Ames | Orchidaceae | 8 |
| Spirodela polyrhiza | (L.) Schleid. | Araceae | 8 |
| Spodiopogon sibiricus | Trin. | Poaceae | 8 |
| Sporobolus fertilis | (Steud.) Clayton | Poaceae | 8 |
| Stachyurus praecox | Siebold & Zucc. | Stachyuraceae | 8 |
| Staphylea japonica | (Thunb.) Mabb. | Staphyleaceae | 8 |
| Staphylea ternata | (Nakai) Byng & Christenh. | Staphyleaceae | 8 |
| Stauntonia hexaphylla | (Thunb.) Decne. | Lardizabalaceae | 8 |
| Stellaria aquatica | Scop. | Caryophyllaceae | 8 |
| Stellaria humifusa | Rottb. | Caryophyllaceae | 8 |
| Stellaria longifolia | Muhl. ex Willd. | Caryophyllaceae | 8 |
| Stellaria media | (L.) Vill. | Caryophyllaceae | 8 |
| Stellaria neglecta | (Lej.) Weihe | Caryophyllaceae | 8 |
| Stellaria radians | L. | Caryophyllaceae | 8 |
| Stellaria vestita | Kurz | Caryophyllaceae | 8 |
| Stephania japonica | (Thunb.) Miers | Menispermaceae | 8 |
| Stewartia monadelpha | Siebold & Zucc. | Theaceae | 8 |
| Streptopus amplexifolius | (L.) DC. | Liliaceae | 8 |
| Strobilanthes flexicaulis | Hayata | Acanthaceae | 8 |
| Stuckenia pectinata | (L.) Börner | Potamogetonaceae | 8 |
| Styrax japonicus | Siebold & Zucc. | Styracaceae | 8 |
| Styrax obassia | Siebold & Zucc. | Styracaceae | 8 |
| Suaeda australis | (R.Br.) Moq. | Chenopodiaceae | 8 |
| Swertia dichotoma | L. | Gentianaceae | 8 |
| Swertia perennis | L. | Gentianaceae | 8 |
| Swertia shintenensis | Hayata | Gentianaceae | 8 |
| Swertia tashiroi | (Maxim.) Makino | Gentianaceae | 8 |
| Symplocos cochinchinensis | S.Moore | Symplocaceae | 8 |
| Symplocos glauca | (Thunb.) Koidz. | Symplocaceae | 8 |
| Symplocos lancifolia | Siebold & Zucc. | Symplocaceae | 8 |
| Symplocos paniculata | (Thunb.) Miq. | Symplocaceae | 8 |
| Symplocos sawafutagi | Nagam. | Symplocaceae | 8 |
| Symplocos sumuntia | Buch.-Ham. ex D.Don | Symplocaceae | 8 |
| Symplocos theophrastifolia | Siebold & Zucc. | Symplocaceae | 8 |
| Syneilesis aconitifolia | (Bunge) Maxim. | Asteraceae | 8 |
| Syneilesis palmata | (Thunb.) Maxim. | Asteraceae | 8 |
| Synurus deltoides | (Aiton) Nakai | Asteraceae | 8 |
| Syringa reticulata | (Blume) H.Hara | Oleaceae | 8 |
| Syzygium buxifolium | Hook. & Arn. | Myrtaceae | 8 |
| Tanacetum vulgare | L. | Asteraceae | 8 |
| Taraxacum albidum | Dahlst. | Asteraceae | 8 |
| Taraxacum ceratophorum | (Ledeb.) DC. | Asteraceae | 8 |
| Taraxacum platycarpum | Dahlst. | Asteraceae | 8 |
| Tarenna gracilipes | (Hayata) Ohwi | Rubiaceae | 8 |
| Taxus cuspidata | Siebold & Zucc. | Taxaceae | 8 |
| Tephroseris integrifolia | (L.) Holub | Asteraceae | 8 |
| Tetradium glabrifolium | (Champ. ex Benth.) T.G.Hartley | Rutaceae | 8 |
| Tetragonia tetragonoides | (Pall.) Kuntze | Aizoaceae | 8 |
| Teucrium viscidum | Blume | Lamiaceae | 8 |
| Thalictrum alpinum | L. | Ranunculaceae | 8 |
| Thalictrum aquilegiifolium | L. | Ranunculaceae | 8 |
| Thalictrum filamentosum | Maxim. | Ranunculaceae | 8 |
| Thalictrum foetidum | L. | Ranunculaceae | 8 |
| Thalictrum minus | L. | Ranunculaceae | 8 |
| Thalictrum simplex | L. | Ranunculaceae | 8 |
| Thalictrum tuberiferum | Maxim. | Ranunculaceae | 8 |
| Thelypteris confluens | (Thunb.) C.V.Morton | Thelypteridaceae | 8 |
| Thelypteris palustris | Schott | Thelypteridaceae | 8 |
| Themeda triandra | Forssk. | Poaceae | 8 |
| Thesium refractum | C.A.Mey. | Santalaceae | 8 |
| Thlaspi arvense | L. | Brassicaceae | 8 |
| Thuja standishii | (Gordon) Carrière | Cupressaceae | 8 |
| Thujopsis dolabrata | (L.f.) Siebold & Zucc. | Cupressaceae | 8 |
| Ticanto crista | (L.) R.Clark & Gagnon | Fabaceae | 8 |
| Tilia japonica | (Miq.) Simonk. | Malvaceae | 8 |
| Tilia mandshurica | Rupr. & Maxim. | Malvaceae | 8 |
| Tofieldia coccinea | Richardson | Tofieldiaceae | 8 |
| Torenia anagallis | (Burm.f.) Wannan, W.R.Barker & Y.S.Liang | Linderniaceae | 8 |
| Torenia asiatica | L. | Linderniaceae | 8 |
| Torenia crustacea | (L.) Cham. & Schltdl. | Linderniaceae | 8 |
| Torilis japonica | DC. | Apiaceae | 8 |
| Torilis scabra | (Thunb.) DC. | Apiaceae | 8 |
| Torreya nucifera | (L.) Siebold & Zucc. | Taxaceae | 8 |
| Toxicodendron orientale | Greene | Anacardiaceae | 8 |
| Toxicodendron succedaneum | (L.) Kuntze | Anacardiaceae | 8 |
| Trachelospermum asiaticum | Nakai | Apocynaceae | 8 |
| Trachelospermum jasminoides | (Lindl.) Lem. | Apocynaceae | 8 |
| Trapa natans | L. | Lythraceae | 8 |
| Trapella sinensis | Oliv. | Plantaginaceae | 8 |
| Trema orientale | (L.) Blume | Cannabaceae | 8 |
| Triadica sebifera | (L.) Small | Euphorbiaceae | 8 |
| Tribulus terrestris | L. | Zygophyllaceae | 8 |
| Trichogalium boreale | (L.) Fourr. | Rubiaceae | 8 |
| Trichophorum alpinum | (L.) Pers. | Cyperaceae | 8 |
| Trichophorum cespitosum | (L.) Hartm. | Cyperaceae | 8 |
| Tricyrtis affinis | Makino | Liliaceae | 8 |
| Tricyrtis hirta | (Thunb.) Hook. | Liliaceae | 8 |
| Tricyrtis macropoda | Miq. | Liliaceae | 8 |
| Trifolium lupinaster | L. | Fabaceae | 8 |
| Triglochin maritima | L. | Juncaginaceae | 8 |
| Triglochin palustris | L. | Juncaginaceae | 8 |
| Trigonotis peduncularis | Benth. ex S.Moore & Baker | Boraginaceae | 8 |
| Trigonotis radicans | (A.DC.) Steven | Boraginaceae | 8 |
| Trillium apetalon | Makino | Melanthiaceae | 8 |
| Trillium camschatcense | Ker Gawl. | Melanthiaceae | 8 |
| Trillium tschonoskii | Maxim. | Melanthiaceae | 8 |
| Tripolium pannonicum | (Jacq.) Dobrocz. | Asteraceae | 8 |
| Tripterospermum trinervium | (Thunb.) H.Ohashi & H.Nakai | Gentianaceae | 8 |
| Trochodendron aralioides | Siebold & Zucc. | Trochodendraceae | 8 |
| Trollius riederianus | Fisch. & C.A.Mey. | Ranunculaceae | 8 |
| Tsuga diversifolia | (Maxim.) Mast. | Pinaceae | 8 |
| Tsuga sieboldii | (Siebold & Zucc.) Carrière | Pinaceae | 8 |
| Tubocapsicum anomalum | (Franch. & Sav.) Makino | Solanaceae | 8 |
| Turritis glabra | L. | Brassicaceae | 8 |
| Typha angustifolia | L. | Typhaceae | 8 |
| Typha latifolia | L. | Typhaceae | 8 |
| Typha laxmannii | Lepech. | Typhaceae | 8 |
| Typha orientalis | C.Presl | Typhaceae | 8 |
| Ulmus laciniata | (Herder) Mayr ex Schwapp. | Ulmaceae | 8 |
| Ulmus parvifolia | Jacq. | Ulmaceae | 8 |
| Urena lobata | L. | Malvaceae | 8 |
| Urtica dioica | L. | Urticaceae | 8 |
| Urtica thunbergiana | Siebold & Zucc. | Urticaceae | 8 |
| Utricularia aurea | Lour. | Lentibulariaceae | 8 |
| Utricularia bifida | L. | Lentibulariaceae | 8 |
| Utricularia caerulea | L. | Lentibulariaceae | 8 |
| Utricularia gibba | L. | Lentibulariaceae | 8 |
| Utricularia intermedia | Hayne | Lentibulariaceae | 8 |
| Utricularia macrorhiza | Leconte | Lentibulariaceae | 8 |
| Utricularia minor | L. | Lentibulariaceae | 8 |
| Utricularia minutissima | Vahl | Lentibulariaceae | 8 |
| Utricularia uliginosa | Vahl | Lentibulariaceae | 8 |
| Vaccinium bracteatum | Thunb. | Ericaceae | 8 |
| Vaccinium microcarpum | (Turcz. ex Rupr.) Schmalh. | Ericaceae | 8 |
| Vaccinium myrtillus | L. | Ericaceae | 8 |
| Vaccinium ovalifolium | Sm. | Ericaceae | 8 |
| Vaccinium oxycoccos | L. | Ericaceae | 8 |
| Vaccinium randaiense | Hayata | Ericaceae | 8 |
| Vaccinium uliginosum | L. | Ericaceae | 8 |
| Vaccinium vitis-idaea | L. | Ericaceae | 8 |
| Vahlodea atropurpurea | (Wahlenb.) Fr. | Poaceae | 8 |
| Valeriana fauriei | Briq. | Caprifoliaceae | 8 |
| Valeriana flaccidissima | Maxim. | Caprifoliaceae | 8 |
| Vandenboschia auriculata | (Blume) Copel. | Hymenophyllaceae | 8 |
| Veratrum maackii | Regel | Melanthiaceae | 8 |
| Veratrum oxysepalum | Turcz. | Melanthiaceae | 8 |
| Verbena officinalis | L. | Verbenaceae | 8 |
| Veronica americana | (Raf.) Schwein. ex Benth. | Plantaginaceae | 8 |
| Veronica javanica | Blume | Plantaginaceae | 8 |
| Veronica polita | Fr. | Plantaginaceae | 8 |
| Veronica serpyllifolia | L. | Plantaginaceae | 8 |
| Veronica undulata | Wall. | Plantaginaceae | 8 |
| Viburnum carlesii | Hemsl. | Viburnaceae | 8 |
| Viburnum dilatatum | Thunb. | Viburnaceae | 8 |
| Viburnum erosum | Thunb. | Viburnaceae | 8 |
| Viburnum furcatum | Blume ex Maxim. | Viburnaceae | 8 |
| Viburnum japonicum | (Thunb.) Spreng. | Viburnaceae | 8 |
| Viburnum odoratissimum | Ker Gawl. | Viburnaceae | 8 |
| Viburnum phlebotrichum | Siebold & Zucc. | Viburnaceae | 8 |
| Viburnum plicatum | Thunb. | Viburnaceae | 8 |
| Viburnum sargentii | Koehne | Viburnaceae | 8 |
| Viburnum sieboldii | Miq. | Viburnaceae | 8 |
| Viburnum urceolatum | Siebold & Zucc. | Viburnaceae | 8 |
| Viburnum wrightii | Miq. | Viburnaceae | 8 |
| Vicia amoena | Fisch. ex Ser. | Fabaceae | 8 |
| Vicia amurensis | Oett. | Fabaceae | 8 |
| Vicia cracca | L. | Fabaceae | 8 |
| Vicia hirsuta | (L.) Gray | Fabaceae | 8 |
| Vicia sativa | L. | Fabaceae | 8 |
| Vicia tetrasperma | (L.) Schreb. | Fabaceae | 8 |
| Vicia unijuga | A.Braun | Fabaceae | 8 |
| Vigna marina | (Burm.) Merr. | Fabaceae | 8 |
| Vigna vexillata | (L.) A.Rich. | Fabaceae | 8 |
| Vincetoxicum acuminatifolium | (Hemsl.) Ohi-Toma & K.Mochizuki | Apocynaceae | 8 |
| Vincetoxicum atratum | (Bunge) C.Morren & Decne. | Apocynaceae | 8 |
| Viola acuminata | Ledeb. | Violaceae | 8 |
| Viola betonicifolia | Sm. | Violaceae | 8 |
| Viola biflora | L. | Violaceae | 8 |
| Viola bissetii | Maxim. | Violaceae | 8 |
| Viola chaerophylloides | (Regel) W.Becker | Violaceae | 8 |
| Viola diffusa | Ging. | Violaceae | 8 |
| Viola eizanensis | (Makino) Makino | Violaceae | 8 |
| Viola grypoceras | A.Gray | Violaceae | 8 |
| Viola hamiltoniana | D.Don | Violaceae | 8 |
| Viola hondoensis | W.Becker & Boissieu | Violaceae | 8 |
| Viola inconspicua | Blume | Violaceae | 8 |
| Viola keiskei | Miq. | Violaceae | 8 |
| Viola langsdorffii | Fisch. ex Ging. | Violaceae | 8 |
| Viola mandshurica | W.Becker | Violaceae | 8 |
| Viola maximowicziana | Makino | Violaceae | 8 |
| Viola mirabilis | L. | Violaceae | 8 |
| Viola obtusa | (Makino) Makino | Violaceae | 8 |
| Viola patrinii | DC. ex Ging. | Violaceae | 8 |
| Viola philippica | Cav. | Violaceae | 8 |
| Viola rostrata | Pursh | Violaceae | 8 |
| Viola sacchalinensis | H.Boissieu | Violaceae | 8 |
| Viola selkirkii | Pursh ex Goldie | Violaceae | 8 |
| Viscum coloratum | (Kom.) Nakai | Santalaceae | 8 |
| Vitex negundo | L. | Lamiaceae | 8 |
| Vitex rotundifolia | L.f. | Lamiaceae | 8 |
| Vitis amurensis | Rupr. | Vitaceae | 8 |
| Vitis coignetiae | Pulliat ex Planch. | Vitaceae | 8 |
| Vitis ficifolia | Bunge | Vitaceae | 8 |
| Vitis flexuosa | Thunb. | Vitaceae | 8 |
| Vitis heyneana | Schult. | Vitaceae | 8 |
| Volkameria inermis | L. | Lamiaceae | 8 |
| Wahlenbergia marginata | (Thunb.) A.DC. | Campanulaceae | 8 |
| Waldsteinia fragarioides | (Michx.) Tratt. | Rosaceae | 8 |
| Weigela florida | (Bunge) A.DC. | Caprifoliaceae | 8 |
| Wisteria floribunda | (Willd.) DC. | Fabaceae | 8 |
| Woodsia alpina | (Bolton) Gray | Woodsiaceae | 8 |
| Woodsia glabella | R.Br. | Woodsiaceae | 8 |
| Woodsia ilvensis | (L.) R.Br. | Woodsiaceae | 8 |
| Woodsia polystichoides | D.C.Eaton | Woodsiaceae | 8 |
| Woodwardia japonica | (L.f.) Sm. | Blechnaceae | 8 |
| Woodwardia orientalis | (Sw.) Sw. | Blechnaceae | 8 |
| Woodwardia prolifera | Hook. & Arn. | Blechnaceae | 8 |
| Woodwardia unigemmata | (Makino) Nakai | Blechnaceae | 8 |
| Xylosma congesta | (Lour.) Merr. | Salicaceae | 8 |
| Youngia japonica | (L.) DC. | Asteraceae | 8 |
| Zannichellia palustris | L. | Potamogetonaceae | 8 |
| Zanthoxylum ailanthoides | Siebold & Zucc. | Rutaceae | 8 |
| Zanthoxylum piperitum | (L.) DC. | Rutaceae | 8 |
| Zanthoxylum schinifolium | Siebold & Zucc. | Rutaceae | 8 |
| Zehneria japonica | (Thunb.) H.Y.Liu | Cucurbitaceae | 8 |
| Zelkova serrata | (Thunb.) Makino | Ulmaceae | 8 |
| Zeuxine strateumatica | (L.) Schltr. | Orchidaceae | 8 |
| Zizania latifolia | (Griseb.) Hance ex F.Muell. | Poaceae | 8 |
| Zornia gibbosa | Span. | Fabaceae | 8 |
| Zostera japonica | Asch. & Graebn. | Zosteraceae | 8 |
| Zostera marina | L. | Zosteraceae | 8 |
| Zoysia matrella | (L.) Merr. | Poaceae | 8 |
| Acer sieboldianum | Miq. | Sapindaceae | 7 |
| Adiantum edgeworthii | Hook. | Pteridaceae | 7 |
| Aegonychon zollingeri | (A.DC.) Holub | Boraginaceae | 7 |
| Amauropelta angustifrons | (Miq.) Y.H.Chang | Thelypteridaceae | 7 |
| Arctanthemum arcticum | (L.) Tzvelev | Asteraceae | 7 |
| Artemisia pedunculosa | Miq. | Asteraceae | 7 |
| Artemisia rubripes | Nakai | Asteraceae | 7 |
| Asplenium austrochinense | Ching | Aspleniaceae | 7 |
| Athyrium spinulosum | (Maxim.) Milde | Athyriaceae | 7 |
| Bidens parviflora | Willd. | Asteraceae | 7 |
| Blyxa echinosperma | (C.B.Clarke) Hook.f. | Hydrocharitaceae | 7 |
| Calamagrostis extremiorientalis | (Tzvelev) Prob. | Poaceae | 7 |
| Calamagrostis pseudophragmites | (Haller f.) Koeler | Poaceae | 7 |
| Campsis grandiflora | (Thunb.) K.Schum. | Bignoniaceae | 7 |
| Carpesium divaricatum | Siebold & Zucc. | Asteraceae | 7 |
| Cephalanthera longibracteata | Blume | Orchidaceae | 7 |
| Chionanthus retusus | Lindl. & Paxton | Oleaceae | 7 |
| Corydalis heterocarpa | Siebold & Zucc. | Papaveraceae | 7 |
| Corydalis speciosa | Maxim. | Papaveraceae | 7 |
| Corylus sieboldiana | Blume | Betulaceae | 7 |
| Cymbidium goeringii | (Rchb.f.) Rchb.f. | Orchidaceae | 7 |
| Daphne genkwa | Siebold & Zucc. | Thymelaeaceae | 7 |
| Eulophia zollingeri | (Rchb.f.) J.J.Sm. | Orchidaceae | 7 |
| Filipendula camtschatica | (Pall.) Maxim. | Rosaceae | 7 |
| Habenaria dentata | (Sw.) Schltr. | Orchidaceae | 7 |
| Hydrangea petiolaris | Siebold & Zucc. | Hydrangeaceae | 7 |
| Isodon inflexus | (Thunb.) Kudô | Lamiaceae | 7 |
| Lithocarpus edulis | (Makino) Nakai | Fagaceae | 7 |
| Ludwigia ovalis | Miq. | Onagraceae | 7 |
| Luzula kjellmaniana | Miyabe & Kudô | Juncaceae | 7 |
| Nymphoides coreana | (H.Lév.) H.Hara | Menyanthaceae | 7 |
| Paris tetraphylla | A.Gray | Melanthiaceae | 7 |
| Pedicularis yezoensis | Maxim. | Orobanchaceae | 7 |
| Peristylus lacertifer | (Lindl.) J.J.Sm. | Orchidaceae | 7 |
| Pinalia japonica | (Maxim.) Ormerod | Orchidaceae | 7 |
| Pogostemon stellatus | (Lour.) Kuntze | Lamiaceae | 7 |
| Polygonatum falcatum | A.Gray | Asparagaceae | 7 |
| Polygonatum lasianthum | Maxim. | Asparagaceae | 7 |
| Polystichum piceopaleaceum | Tagawa | Dryopteridaceae | 7 |
| Pteris amoena | Blume | Pteridaceae | 7 |
| Rorippa globosa | (Turcz.) Vassilcz. | Brassicaceae | 7 |
| Rosa sambucina | Koidz. | Rosaceae | 7 |
| Salix pierotii | Miq. | Salicaceae | 7 |
| Stimpsonia chamaedryoides | C.Wright ex A.Gray | Primulaceae | 7 |
| Thesium chinense | Turcz. | Santalaceae | 7 |
| Tiarella polyphylla | D.Don | Saxifragaceae | 7 |
| Trapa incisa | Siebold & Zucc. | Lythraceae | 7 |
| Vandenboschia striata | (D.Don) Ebihara | Hymenophyllaceae | 7 |
| Vigna umbellata | (Thunb.) Ohwi & H.Ohashi | Fabaceae | 7 |
| Vincetoxicum floribundum | (Miq.) Franch. & Sav. | Apocynaceae | 7 |
| Weigela coraeensis | Thunb. | Caprifoliaceae | 7 |
| Adiantum capillus-junonis | Rupr. | Pteridaceae | 6 |
| Amana edulis | (Miq.) Honda | Liliaceae | 6 |
| Angelica keiskei | Koidz. | Apiaceae | 6 |
| Arachniodes chinensis | (Rosenst.) Ching | Dryopteridaceae | 6 |
| Arisaema sikokianum | Franch. & Sav. | Araceae | 6 |
| Arisaema thunbergii | Blume | Araceae | 6 |
| Asarum blumei | Duch. | Aristolochiaceae | 6 |
| Asplenium antiquum | Makino | Aspleniaceae | 6 |
| Athyrium wardii | (Hook.) Makino | Athyriaceae | 6 |
| Burmannia cryptopetala | Makino | Burmanniaceae | 6 |
| Carex morrowii | Boott | Cyperaceae | 6 |
| Carex odontostoma | Kük. | Cyperaceae | 6 |
| Carex pisiformis | Boott | Cyperaceae | 6 |
| Cephalotaxus harringtonii | (Knight ex J.Forbes) K.Koch | Cephalotaxaceae | 6 |
| Chimonobambusa marmorea | (Mitford) Makino | Poaceae | 6 |
| Circaea erubescens | Franch. & Sav. | Onagraceae | 6 |
| Cnidium monnieri | Cusson | Apiaceae | 6 |
| Cypripedium yatabeanum | Makino | Orchidaceae | 6 |
| Daphne kiusiana | Miq. | Thymelaeaceae | 6 |
| Draba borealis | DC. | Brassicaceae | 6 |
| Draba japonica | Maxim. | Brassicaceae | 6 |
| Elaphoglossum yoshinagae | (Yatabe) Makino | Dryopteridaceae | 6 |
| Elatostema involucratum | Franch. & Sav. | Urticaceae | 6 |
| Eleocharis yokoscensis | (Franch. & Sav.) Tang & F.T.Wang | Cyperaceae | 6 |
| Eriocaulon nepalense | J.D.Prescott ex Bong. | Eriocaulaceae | 6 |
| Euphorbia humifusa | Willd. | Euphorbiaceae | 6 |
| Fimbristylis squarrosa | Vahl | Cyperaceae | 6 |
| Fraxinus sieboldiana | Blume | Oleaceae | 6 |
| Gastrodia pubilabiata | Y.Sawa | Orchidaceae | 6 |
| Gentiana makinoi | Kusn. | Gentianaceae | 6 |
| Gnaphalium polycaulon | Pers. | Asteraceae | 6 |
| Hypochaeris ciliata | (Thunb.) Makino | Asteraceae | 6 |
| Ilex goshiensis | Hayata | Aquifoliaceae | 6 |
| Ixeris polycephala | Cass. | Asteraceae | 6 |
| Juncus triglumis | L. | Juncaceae | 6 |
| Lapsanastrum humile | (Thunb.) Pak & K.Bremer | Asteraceae | 6 |
| Lepisorus onoei | Ching | Polypodiaceae | 6 |
| Lepisorus ussuriensis | Ching | Polypodiaceae | 6 |
| Lilium speciosum | Thunb. | Liliaceae | 6 |
| Limnophila indica | (L.) Druce | Plantaginaceae | 6 |
| Meliosma myriantha | Siebold & Zucc. | Sabiaceae | 6 |
| Microstegium japonicum | (Miq.) Koidz. | Poaceae | 6 |
| Microstegium nudum | (Trin.) A.Camus | Poaceae | 6 |
| Najas indica | (Willd.) Cham. | Hydrocharitaceae | 6 |
| Neottia japonica | (Blume) Szlach. | Orchidaceae | 6 |
| Oreocharis primuloides | (Miq.) C.B.Clarke | Gesneriaceae | 6 |
| Ostericum sieboldii | (Miq.) Nakai | Apiaceae | 6 |
| Parasenecio adenostyloides | (Maxim.) H.Koyama | Asteraceae | 6 |
| Paris japonica | (Franch. & Sav.) Franch. | Melanthiaceae | 6 |
| Phlegmariurus fordii | (Baker) Ching | Lycopodiaceae | 6 |
| Picris japonica | Thunb. | Asteraceae | 6 |
| Podophyllum grayi | (F.Schmidt) Christenh. & Byng | Berberidaceae | 6 |
| Polystichum lachenense | (Hook.) Bedd. | Dryopteridaceae | 6 |
| Pseudocherleria macrocarpa | (Pursh) Dillenb. & Kadereit | Caryophyllaceae | 6 |
| Pseudostellaria sylvatica | (Maxim.) Pax | Caryophyllaceae | 6 |
| Ranunculus ternatus | Thunb. | Ranunculaceae | 6 |
| Rhododendron kiyosumense | (Makino) Makino | Ericaceae | 6 |
| Scleromitrion angustifolium | (Cham. & Schltdl.) Benth. | Rubiaceae | 6 |
| Sedum subtile | Miq. | Crassulaceae | 6 |
| Selaginella lutchuensis | Koidz. | Selaginellaceae | 6 |
| Sibirotrisetum bifidum | (Thunb.) Barberá | Poaceae | 6 |
| Sorghum nitidum | (Vahl) Pers. | Poaceae | 6 |
| Sparganium subglobosum | Morong | Typhaceae | 6 |
| Staphylea bumalda | DC. | Staphyleaceae | 6 |
| Uncaria rhynchophylla | (Miq.) Miq. | Rubiaceae | 6 |
| Veronica linariifolia | Pall. ex Link | Plantaginaceae | 6 |
| Viola orientalis | W.Becker | Violaceae | 6 |
| Abies mariesii | Mast. | Pinaceae | 5 |
| Acer japonicum | Thunb. | Sapindaceae | 5 |
| Acer truncatum | Bunge | Sapindaceae | 5 |
| Acystopteris tenuisecta | (Blume) Tagawa | Cystopteridaceae | 5 |
| Ainsliaea acerifolia | Sch.Bip. | Asteraceae | 5 |
| Ajania pallasiana | (Fisch. ex Besser) Poljakov | Asteraceae | 5 |
| Ajuga incisa | Maxim. | Lamiaceae | 5 |
| Antrophyum obovatum | Baker | Pteridaceae | 5 |
| Apostasia wallichii | R.Br. | Orchidaceae | 5 |
| Artemisia glomerata | Ledeb. | Asteraceae | 5 |
| Asarum nipponicum | F.Maek. | Aristolochiaceae | 5 |
| Astilbe microphylla | Knoll | Saxifragaceae | 5 |
| Bupleurum bicaule | Helm | Apiaceae | 5 |
| Buxus microphylla | Siebold & Zucc. | Buxaceae | 5 |
| Calamagrostis arundinacea | (L.) Roth | Poaceae | 5 |
| Carex loliacea | L. | Cyperaceae | 5 |
| Carex oederi | Retz. | Cyperaceae | 5 |
| Cercidiphyllum magnificum | (Nakai) Nakai | Cercidiphyllaceae | 5 |
| Choerospondias axillaris | (Roxb.) B.L.Burtt & A.W.Hill | Anacardiaceae | 5 |
| Cirsium maritimum | Makino | Asteraceae | 5 |
| Cuscuta australis | R.Br. | Convolvulaceae | 5 |
| Cuscuta chinensis | Lam. | Convolvulaceae | 5 |
| Cyperus sanguinolentus | Vahl | Cyperaceae | 5 |
| Cypripedium debile | Rchb.f. | Orchidaceae | 5 |
| Cyrtomium macrophyllum | (Makino) Tagawa | Dryopteridaceae | 5 |
| Dimeria ornithopoda | Trin. | Poaceae | 5 |
| Diplazium chinense | (Baker) C.Chr. | Athyriaceae | 5 |
| Dryopteris cacaina | Tagawa | Dryopteridaceae | 5 |
| Dryopteris hasseltii | (Blume) C.Chr. | Dryopteridaceae | 5 |
| Dumasia truncata | Siebold & Zucc. | Fabaceae | 5 |
| Erigeron thunbergii | A.Gray | Asteraceae | 5 |
| Fimbristylis aestivalis | (Retz.) Vahl | Cyperaceae | 5 |
| Frangula crenata | Miq. | Rhamnaceae | 5 |
| Fraxinus chinensis | Roxb. | Oleaceae | 5 |
| Fraxinus platypoda | Oliv. | Oleaceae | 5 |
| Fuirena ciliaris | (L.) Roxb. | Cyperaceae | 5 |
| Gastrodia gracilis | Blume | Orchidaceae | 5 |
| Gentiana nipponica | Maxim. | Gentianaceae | 5 |
| Geranium krameri | Franch. & Sav. | Geraniaceae | 5 |
| Geranium yesoense | Franch. & Sav. | Geraniaceae | 5 |
| Hydrobryum puncticulatum | (Koidz.) M.Kato | Podostemaceae | 5 |
| Hylodesmum laterale | (Schindl.) H.Ohashi & R.R.Mill | Fabaceae | 5 |
| Hypericum kamtschaticum | Ledeb. | Hypericaceae | 5 |
| Lactuca raddeana | Maxim. | Asteraceae | 5 |
| Laportea bulbifera | (Siebold & Zucc.) Wedd. | Urticaceae | 5 |
| Lapsanastrum apogonoides | (Maxim.) Pak & K.Bremer | Asteraceae | 5 |
| Lepisorus clathratus | Ching | Polypodiaceae | 5 |
| Leptochilus ellipticus | (Thunb.) Noot. | Polypodiaceae | 5 |
| Lespedeza thunbergii | (DC.) Nakai | Fabaceae | 5 |
| Linum stelleroides | Planch. | Linaceae | 5 |
| Liparis kumokiri | F.Maek. | Orchidaceae | 5 |
| Lonicera maximowiczii | (Rupr.) Regel | Caprifoliaceae | 5 |
| Lysimachia fortunei | Maxim. | Primulaceae | 5 |
| Meehania urticifolia | (Miq.) Makino | Lamiaceae | 5 |
| Mertensia simplicissima | G.Don | Boraginaceae | 5 |
| Neottia papilligera | Schltr. | Orchidaceae | 5 |
| Nepeta subsessilis | Maxim. | Lamiaceae | 5 |
| Oreorchis patens | (Lindl.) Lindl. | Orchidaceae | 5 |
| Oxytropis revoluta | Ledeb. | Fabaceae | 5 |
| Paraquilegia microphylla | J.R.Drumm. & Hutch. | Ranunculaceae | 5 |
| Phanera japonica | (Maxim.) H.Ohashi | Fabaceae | 5 |
| Plantago camtschatica | Link | Plantaginaceae | 5 |
| Platanthera hologlottis | Maxim. | Orchidaceae | 5 |
| Polystichum hookerianum | (Pr.) C.Chr. | Dryopteridaceae | 5 |
| Polystichum longifrons | Sa.Kurata | Dryopteridaceae | 5 |
| Potentilla rosulifera | H.Lév. | Rosaceae | 5 |
| Primula sieboldii | É.Morren | Primulaceae | 5 |
| Pseudognaphalium hypoleucum | (DC.) Hilliard & B.L.Burtt | Asteraceae | 5 |
| Rhododendron japonoheptamerum | Kitam. | Ericaceae | 5 |
| Rhododendron molle | (Blume) G.Don | Ericaceae | 5 |
| Rodgersia podophylla | A.Gray | Saxifragaceae | 5 |
| Rubus mesogaeus | Focke | Rosaceae | 5 |
| Salix arbutifolia | Pall. | Salicaceae | 5 |
| Schoepfia jasminodora | Siebold & Zucc. | Schoepfiaceae | 5 |
| Scutellaria strigillosa | Hemsl. | Lamiaceae | 5 |
| Sibbaldia miyabei | (Makino) Paule & Soják | Rosaceae | 5 |
| Sibirotrisetum sibiricum | (Rupr.) Barberá | Poaceae | 5 |
| Solidago pacifica | Juz. | Asteraceae | 5 |
| Sorbus matsumurana | (Makino) Koehne | Rosaceae | 5 |
| Sparganium hyperboreum | Laest. ex Beurl. | Typhaceae | 5 |
| Spermacoce hispida | L. | Rubiaceae | 5 |
| Tephroseris kirilowii | (DC.) Holub | Asteraceae | 5 |
| Trichosanthes kirilowii | Maxim. | Cucurbitaceae | 5 |
| Veronicastrum sibiricum | (L.) Pennell | Plantaginaceae | 5 |
| Weigela middendorffiana | (Carrière) K.Koch | Caprifoliaceae | 5 |
| Woodwardia kempii | Copel. | Blechnaceae | 5 |
| Acer capillipes | Maxim. | Sapindaceae | 4 |
| Acer maximowiczianum | Miq. | Sapindaceae | 4 |
| Achudemia japonica | Maxim. | Urticaceae | 4 |
| Agrimonia coreana | Nakai | Rosaceae | 4 |
| Agrostis mertensii | Trin. | Poaceae | 4 |
| Ajania rupestris | (Matsum. & Koidz.) Muldashev | Asteraceae | 4 |
| Alisma canaliculatum | A.Braun & C.D.Bouché | Alismataceae | 4 |
| Anemonoides raddeana | (Regel) Holub | Ranunculaceae | 4 |
| Angelica decursiva | (Miq.) Franch. & Sav. | Apiaceae | 4 |
| Angelica ursina | Regel | Apiaceae | 4 |
| Anthoxanthum glabrum | (Trin.) Veldkamp | Poaceae | 4 |
| Artemisia desertorum | Spreng. | Asteraceae | 4 |
| Artemisia japonica | Thunb. | Asteraceae | 4 |
| Asplenium griffithianum | Hook. | Aspleniaceae | 4 |
| Betula maximowicziana | Regel | Betulaceae | 4 |
| Bidens biternata | (Lour.) Merr. & Sherff | Asteraceae | 4 |
| Bulbophyllum drymoglossum | Maxim. | Orchidaceae | 4 |
| Calanthe puberula | Lindl. | Orchidaceae | 4 |
| Carex bostrychostigma | Maxim. | Cyperaceae | 4 |
| Carex dickinsii | Franch. & Sav. | Cyperaceae | 4 |
| Carex dolichostachya | Hayata | Cyperaceae | 4 |
| Carex laevissima | Nakai | Cyperaceae | 4 |
| Carex onoei | Franch. & Sav. | Cyperaceae | 4 |
| Carex satsumensis | Franch. & Sav. | Cyperaceae | 4 |
| Chloranthus fortunei | (A.Gray) Solms | Chloranthaceae | 4 |
| Cyperus ohwii | Kük. | Cyperaceae | 4 |
| Cyperus orthostachyus | Franch. & Sav. | Cyperaceae | 4 |
| Cyrtomium laetevirens | (Hiyama) Nakaike | Dryopteridaceae | 4 |
| Daphne jezoensis | Maxim. | Thymelaeaceae | 4 |
| Dioscorea quinquelobata | Thunb. | Dioscoreaceae | 4 |
| Diplazium hachijoense | Nakai | Athyriaceae | 4 |
| Elaeagnus multiflora | Thunb. | Elaeagnaceae | 4 |
| Elatine triandra | Schkuhr | Elatinaceae | 4 |
| Elliottia bracteata | (Maxim.) Benth. & Hook.f. | Ericaceae | 4 |
| Elymus ciliaris | (Trin.) Tzvelev | Poaceae | 4 |
| Elymus tsukushiensis | Honda | Poaceae | 4 |
| Entada tonkinensis | Gagnep. | Fabaceae | 4 |
| Epimedium grandiflorum | C.Morren | Berberidaceae | 4 |
| Eria scabrilinguis | Lindl. | Orchidaceae | 4 |
| Eriocaulon buergerianum | Körn. | Eriocaulaceae | 4 |
| Eritrichium nipponicum | Makino | Boraginaceae | 4 |
| Erythranthe sessilifolia | (Maxim.) G.L.Nesom | Phrymaceae | 4 |
| Euonymus lutchuensis | T.Itô | Celastraceae | 4 |
| Euonymus oxyphyllus | Miq. | Celastraceae | 4 |
| Ficus sarmentosa | Buch.-Ham. ex Sm. | Moraceae | 4 |
| Fragaria nipponica | Makino | Rosaceae | 4 |
| Gamblea innovans | (Siebold & Zucc.) C.B.Shang, Lowry & Frodin | Araliaceae | 4 |
| Glyceria lithuanica | (Gorski) Gorski | Poaceae | 4 |
| Hylotelephium erythrostictum | (Miq.) H.Ohba | Crassulaceae | 4 |
| Hymenophyllum barbatum | (Bosch) Baker | Hymenophyllaceae | 4 |
| Iris gracilipes | A.Gray | Iridaceae | 4 |
| Ischaemum aristatum | L. | Poaceae | 4 |
| Limonium wrightii | (Hance) Kuntze | Plumbaginaceae | 4 |
| Linnaea spathulata | Graebn. | Caprifoliaceae | 4 |
| Nervilia nipponica | Makino | Orchidaceae | 4 |
| Ophiopogon jaburan | (Siebold) G.Lodd. | Asparagaceae | 4 |
| Phleum paniculatum | Huds. | Poaceae | 4 |
| Phryma nana | Koidz. | Phrymaceae | 4 |
| Pourthiaea arguta | (Wall. ex Lindl.) Decne. | Rosaceae | 4 |
| Prunus leveilleana | Koehne | Rosaceae | 4 |
| Pseudostellaria heterophylla | (Miq.) Pax | Caryophyllaceae | 4 |
| Pteris ryukyuensis | Tagawa | Pteridaceae | 4 |
| Rhododendron indicum | (L.) Sweet | Ericaceae | 4 |
| Rhododendron pentaphyllum | Maxim. | Ericaceae | 4 |
| Rhododendron schlippenbachii | Maxim. | Ericaceae | 4 |
| Rotala mexicana | Schltdl. & Cham. | Lythraceae | 4 |
| Rubus hakonensis | Franch. & Sav. | Rosaceae | 4 |
| Rubus illecebrosus | Focke | Rosaceae | 4 |
| Rubus palmatus | Thunb. | Rosaceae | 4 |
| Rubus trifidus | Thunb. | Rosaceae | 4 |
| Sagittaria pygmaea | Miq. | Alismataceae | 4 |
| Salix integra | Thunb. | Salicaceae | 4 |
| Salix miyabeana | Seemen | Salicaceae | 4 |
| Saxifraga fortunei | Hook. | Saxifragaceae | 4 |
| Schizopepon bryoniifolius | Maxim. | Cucurbitaceae | 4 |
| Schoenoplectiella multiseta | (Hayas. & C.Sato) Hayas. | Cyperaceae | 4 |
| Sedum japonicum | Siebold ex Miq. | Crassulaceae | 4 |
| Solidago minutissima | (Makino) Kitam. | Asteraceae | 4 |
| Stellaria calycantha | (Ledeb.) Bong. | Caryophyllaceae | 4 |
| Stellaria nipponica | Ohwi | Caryophyllaceae | 4 |
| Suaeda glauca | (Bunge) Bunge | Chenopodiaceae | 4 |
| Swertia bimaculata | (Siebold & Zucc.) Hook.f. & Thomson ex C.B.Clarke | Gentianaceae | 4 |
| Swertia japonica | (Schult.) Makino | Gentianaceae | 4 |
| Swertia pseudochinensis | H.Hara | Gentianaceae | 4 |
| Symplocos myrtacea | Siebold & Zucc. | Symplocaceae | 4 |
| Taraxacum japonicum | Koidz. | Asteraceae | 4 |
| Trollius shinanensis | Kadota | Ranunculaceae | 4 |
| Ulmus davidiana | Planch. | Ulmaceae | 4 |
| Vicia venosa | (Willd. ex Link) Maxim. | Fabaceae | 4 |
| Viola phalacrocarpa | Maxim. | Violaceae | 4 |
| Viola shikokiana | Makino | Violaceae | 4 |
| Viola variegata | Fisch. ex Link | Violaceae | 4 |
| Woodsia manchuriensis | Hook. | Woodsiaceae | 4 |
| Abies sachalinensis | (F.Schmidt) Mast. | Pinaceae | 3 |
| Acer nipponicum | H.Hara | Sapindaceae | 3 |
| Adenophora nikoensis | Franch. & Sav. | Campanulaceae | 3 |
| Allium thunbergii | G.Don | Amaryllidaceae | 3 |
| Angelica multisecta | Maxim. | Apiaceae | 3 |
| Angelica polymorpha | Maxim. | Apiaceae | 3 |
| Angiopteris fokiensis | Hieron. | Marattiaceae | 3 |
| Anthriscus nemorosus | (M.Bieb.) Spreng. | Apiaceae | 3 |
| Arisaema japonicum | Blume | Araceae | 3 |
| Asimitellaria furusei | (Ohwi) R.A.Folk & Y.Okuyama | Saxifragaceae | 3 |
| Aster iinumae | Kitam. ex Hara | Asteraceae | 3 |
| Aster maackii | Regel | Asteraceae | 3 |
| Betula grossa | Siebold & Zucc. | Betulaceae | 3 |
| Boehmeria japonica | (L.f.) Miq. | Urticaceae | 3 |
| Bolboschoenus yagara | (Ohwi) Y.C.Yang & M.Zhan | Cyperaceae | 3 |
| Bryanthus musciformis | (Poir.) Nakai | Ericaceae | 3 |
| Bupleurum komarovianum | Lincz. | Apiaceae | 3 |
| Calanthe alismifolia | Lindl. | Orchidaceae | 3 |
| Calanthe lyroglossa | Rchb.f. | Orchidaceae | 3 |
| Calymmodon cucullatus | (Nees & Blume) C.Presl | Polypodiaceae | 3 |
| Cardamine appendiculata | Franch. & Sav. | Brassicaceae | 3 |
| Carex accrescens | Ohwi | Cyperaceae | 3 |
| Carex conica | Boott | Cyperaceae | 3 |
| Carex eleusinoides | Turcz. ex Kunth | Cyperaceae | 3 |
| Carex lanceolata | Boott | Cyperaceae | 3 |
| Carex longirostrata | C.A.Mey. | Cyperaceae | 3 |
| Carex maculata | Boott | Cyperaceae | 3 |
| Carex neurocarpa | Maxim. | Cyperaceae | 3 |
| Carex stylosa | C.A.Mey. | Cyperaceae | 3 |
| Carex subspathacea | Wormsk. ex Hornem. | Cyperaceae | 3 |
| Castanopsis cuspidata | (Thunb.) Schottky | Fagaceae | 3 |
| Celastrus flagellaris | Rupr. | Celastraceae | 3 |
| Ceratopteris thalictroides | (L.) Brongn. | Pteridaceae | 3 |
| Chelonopsis moschata | Miq. | Lamiaceae | 3 |
| Chrysosplenium macrostemon | Maxim. ex Franch. & Sav. | Saxifragaceae | 3 |
| Chrysosplenium tosaense | (Makino) Makino ex Suto | Saxifragaceae | 3 |
| Cymbopogon goeringii | (Steud.) A.Camus | Poaceae | 3 |
| Cynanchum maximoviczii | Pobed. | Apocynaceae | 3 |
| Dryopteris fuscipes | C.Chr. | Dryopteridaceae | 3 |
| Dryopteris namegatae | (Sa.Kurata) Sa.Kurata | Dryopteridaceae | 3 |
| Euphrasia insignis | Wettst. | Orobanchaceae | 3 |
| Filipendula multijuga | Maxim. | Rosaceae | 3 |
| Fimbristylis sericea | (Poir.) R.Br. | Cyperaceae | 3 |
| Fimbristylis velata | R.Br. | Cyperaceae | 3 |
| Gastrodia fontinalis | T.P.Lin | Orchidaceae | 3 |
| Gaultheria adenothrix | (Miq.) Maxim. | Ericaceae | 3 |
| Gentianella amarella | (L.) Börner | Gentianaceae | 3 |
| Gentianella auriculata | (Pall.) J.M.Gillett | Gentianaceae | 3 |
| Glochidion puberum | (L.) Hutch. | Phyllanthaceae | 3 |
| Goodyera hachijoensis | Yatabe | Orchidaceae | 3 |
| Gratiola japonica | Miq. | Plantaginaceae | 3 |
| Hemerocallis hakuunensis | Nakai | Asphodelaceae | 3 |
| Herminium pusillum | Ohwi & Fukuy. | Orchidaceae | 3 |
| Isodon umbrosus | (Maxim.) H.Hara | Lamiaceae | 3 |
| Japonicalia delphiniifolia | (Siebold & Zucc.) C.Ren & Q.E.Yang | Asteraceae | 3 |
| Leontopodium hayachinense | (Takeda) Hara & Kitam. | Asteraceae | 3 |
| Lespedeza pilosa | (Thunb.) Siebold & Zucc. | Fabaceae | 3 |
| Ligularia japonica | (L.f.) Less. ex DC. | Asteraceae | 3 |
| Lilium callosum | Siebold & Zucc. | Liliaceae | 3 |
| Loropetalum chinense | (R.Br.) Oliv. | Hamamelidaceae | 3 |
| Lysimachia leucantha | Miq. | Primulaceae | 3 |
| Metathelypteris laxa | (Franch. & Sav.) Ching | Thelypteridaceae | 3 |
| Nemosenecio nikoensis | (Miq.) B.Nord. | Asteraceae | 3 |
| Neolitsea aurata | (Hayata) Koidz. | Lauraceae | 3 |
| Ophioglossum reticulatum | L. | Ophioglossaceae | 3 |
| Oplopanax japonicus | Nakai | Araliaceae | 3 |
| Parasenecio auriculatus | (DC.) H.Koyama | Asteraceae | 3 |
| Pedicularis apodochila | Maxim. | Orobanchaceae | 3 |
| Pedicularis chamissonis | Steven | Orobanchaceae | 3 |
| Pedicularis nipponica | Makino | Orobanchaceae | 3 |
| Phacellanthus tubiflorus | Siebold & Zucc. | Orobanchaceae | 3 |
| Platanthera chorisiana | (Cham.) Rchb.f. | Orchidaceae | 3 |
| Platanthera metabifolia | F.Maek. | Orchidaceae | 3 |
| Pleioblastus variegatus | (J.Dix) Makino | Poaceae | 3 |
| Polystichum balansae | Christ | Dryopteridaceae | 3 |
| Potentilla cryptotaeniae | Maxim. | Rosaceae | 3 |
| Potentilla stolonifera | Lehm. ex Ledeb. | Rosaceae | 3 |
| Prunella prunelliformis | (Maxim.) Makino | Lamiaceae | 3 |
| Pseudopogonatherum quadrinerve | (Hack.) Ohwi | Poaceae | 3 |
| Ranunculus ashibetsuensis | Wiegleb | Ranunculaceae | 3 |
| Reineckea carnea | (Andrews) Kunth | Asparagaceae | 3 |
| Rhachidosorus mesosorus | (Makino) Ching | Rhachidosoraceae | 3 |
| Rhamnus liukiuensis | (E.H.Wilson) Koidz. | Rhamnaceae | 3 |
| Rhododendron dilatatum | Miq. | Ericaceae | 3 |
| Rhododendron tschonoskii | Maxim. | Ericaceae | 3 |
| Rotala indica | (Willd.) Koehne | Lythraceae | 3 |
| Rubus sumatranus | Miq. | Rosaceae | 3 |
| Ruppia megacarpa | R.Mason | Ruppiaceae | 3 |
| Sagittaria aginashi | Makino | Alismataceae | 3 |
| Salsola komarovii | Iljin | Chenopodiaceae | 3 |
| Sasamorpha borealis | (Hack.) Nakai | Poaceae | 3 |
| Scrophularia duplicatoserrata | Makino | Scrophulariaceae | 3 |
| Scutellaria laeteviolacea | Koidz. | Lamiaceae | 3 |
| Smilax sieboldii | Miq. | Smilacaceae | 3 |
| Sparganium glomeratum | (Laest. ex Beurl.) Beurl. | Typhaceae | 3 |
| Spodiopogon cotulifer | (Thunb.) Hack. | Poaceae | 3 |
| Stewartia pseudocamellia | Maxim. | Theaceae | 3 |
| Streptopus streptopoides | (Ledeb.) Frye & Rigg | Liliaceae | 3 |
| Taxillus kaempferi | (DC.) Danser | Loranthaceae | 3 |
| Tilingia ajanensis | Regel & Tiling | Apiaceae | 3 |
| Triantha japonica | (Miq.) Baker | Tofieldiaceae | 3 |
| Trichosanthes laceribractea | Hayata | Cucurbitaceae | 3 |
| Triosteum sinuatum | Maxim. | Caprifoliaceae | 3 |
| Trollius altaicus | C.A.Mey. | Ranunculaceae | 3 |
| Vandenboschia liukiuensis | (Yabe) Tagawa | Hymenophyllaceae | 3 |
| Veratrum stamineum | Maxim. | Melanthiaceae | 3 |
| Vincetoxicum japonicum | (C.Morren & Decne.) Decne. | Apocynaceae | 3 |
| Viola brevistipulata | W.Becker | Violaceae | 3 |
| Viola kusanoana | Makino | Violaceae | 3 |
| Viola ovato-oblonga | Makino | Violaceae | 3 |
| Viola sieboldii | Maxim. | Violaceae | 3 |
| Woodsia subcordata | Turcz. | Woodsiaceae | 3 |
| Zoysia sinica | Hance | Poaceae | 3 |
Abies firmaMomi Fir
Abies homolepisNikko Fir
Abies veitchiiVeitch Fir
Abildgaardia ovataflatspike sedge
Abrodictyum obscurum
Acalypha australisAsian copperleaf
Acer argutumDeep-veined Maple
Acer carpinifoliumHornbeam Maple
Acer diabolicumDevil maple
Acer micranthum
Acer palmatumJapanese maple
Acer pictum
Acer rufinerveGrey-budded snake-bark-maple
Acer shirasawanumFullmoon maple
Acer tataricumTatar Maple
Acer ukurunduenseUkurundu Maple
Achillea alpinaChinese yarrow
Achillea ptarmicaSneezeweed
Achillea ptarmicoides
Achnatherum pekinense
Achyranthes bidentataOx Knee
Aconitum senanense
Aconitum volubiletwining monkshood
Acorus calamusSweet Flag
Acorus gramineusDwarf Sedge
Actaea asiatica
Actaea rubrared baneberry
Actaea simplex
Actinidia argutatara vine
Actinidia kolomiktaArctic Beauty
Actinidia polygamasilver vine
Actinidia rufa
Actinodaphne acuminata
Adenocaulon himalaicum
Adenophora divaricata
Adenophora pereskiifolia
Adenophora remotiflora
Adenophora triphylla
Adenostemma laveniacommon medicineplant
Adiantum capillus-venerisblack maidenhair fern
Adiantum diaphanum
Adiantum flabellulatum
Adiantum monochlamys
Adina pilulifera
Adina racemosa
Adonis amurensis
Adoxa moschatellinaMoschatel
Aegilops cylindricajointed goatgrass
