| Abrodictyum elongatum | (A.Cunn.) Ebihara & K.Iwats. | Hymenophyllaceae | 8 |
| Abrodictyum strictum | (Menzies ex Hook. & Grev.) Ebihara & K.Iwats. | Hymenophyllaceae | 8 |
| Acaena novae-zelandiae | Kirk | Rosaceae | 8 |
| Acianthus sinclairii | Hook.f. | Orchidaceae | 8 |
| Aciphylla dieffenbachii | Kirk | Apiaceae | 8 |
| Aciphylla traversii | F.Muell. ex Buchanan | Apiaceae | 8 |
| Adiantum cunninghamii | Hook. | Pteridaceae | 8 |
| Adiantum diaphanum | Blume | Pteridaceae | 8 |
| Adiantum fulvum | Raoul | Pteridaceae | 8 |
| Adiantum hispidulum | Sw. | Pteridaceae | 8 |
| Alsophila cunninghamii | (Hook.f.) R.M.Tryon | Cyatheaceae | 8 |
| Alsophila smithii | (Hook.f.) R.M.Tryon | Cyatheaceae | 8 |
| Anaphalioides bellidioides | (G.Forst.) D.Glenny | Asteraceae | 8 |
| Anthoxanthum redolens | (Vahl) P.Royen | Poaceae | 8 |
| Apium prostratum | Labill. ex Vent. | Apiaceae | 8 |
| Apodasmia similis | (Edgar) B.G.Briggs & L.A.S.Johnson | Restionaceae | 8 |
| Aporostylis bifolia | (Hook.f.) Rupp & Hatch | Orchidaceae | 8 |
| Argentina anserinoides | (Raoul) Holub | Rosaceae | 8 |
| Asplenium bulbiferum | G.Forst. | Aspleniaceae | 8 |
| Asplenium chathamense | Brownsey | Aspleniaceae | 8 |
| Asplenium flaccidum | G.Forst. | Aspleniaceae | 8 |
| Asplenium gracillimum | Colenso | Aspleniaceae | 8 |
| Asplenium hookerianum | Colenso | Aspleniaceae | 8 |
| Asplenium lyallii | T.Moore | Aspleniaceae | 8 |
| Asplenium oblongifolium | Colenso | Aspleniaceae | 8 |
| Asplenium obtusatum | G.Forst. | Aspleniaceae | 8 |
| Asplenium pauperequitum | Brownsey & P.J.Jacks. | Aspleniaceae | 8 |
| Asplenium polyodon | G.Forst. | Aspleniaceae | 8 |
| Astelia chathamica | (Skottsb.) L.B.Moore | Asteliaceae | 8 |
| Austroblechnum colensoi | (Hook.f.) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Austroblechnum durum | (T.Moore) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Austroblechnum lanceolatum | (R.Br.) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Austroblechnum norfolkianum | (Heward) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Austroblechnum penna-marina | (Poir.) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Austroderia turbaria | (Connor) N.P.Barker & H.P.Linder | Poaceae | 8 |
| Austrolycopodium fastigiatum | (R.Br.) Holub | Lycopodiaceae | 8 |
| Azolla rubra | R.Br. | Salviniaceae | 8 |
| Brachyglottis huntii | (F.Muell.) B.Nord. | Asteraceae | 8 |
| Brachyglottis repanda | J.R.Forst. & G.Forst. | Asteraceae | 8 |
| Caladenia carnea | R.Br. | Orchidaceae | 8 |
| Caladenia catenata | (Sm.) Druce | Orchidaceae | 8 |
| Callitriche chathamensis | (R.Mason) Lansdown | Plantaginaceae | 8 |
| Callitriche muelleri | Sond. | Plantaginaceae | 8 |
| Calystegia tuguriorum | (G.Forst.) R.Br. ex Hook.f. | Convolvulaceae | 8 |
| Cardamine corymbosa | Hook.f. | Brassicaceae | 8 |
| Cardamine forsteri | Govaerts | Brassicaceae | 8 |
| Carex appressa | R.Br. | Cyperaceae | 8 |
| Carex auceps | (de Lange & Heenan) K.A.Ford | Cyperaceae | 8 |
| Carex chathamica | Petrie | Cyperaceae | 8 |
| Carex flagellifera | Colenso | Cyperaceae | 8 |
| Carex geminata | Schkuhr | Cyperaceae | 8 |
| Carex pumila | Thunb. | Cyperaceae | 8 |
| Carex secta | Boott | Cyperaceae | 8 |
| Carex trifida | Cav. | Cyperaceae | 8 |
| Carex ventosa | C.B.Clarke | Cyperaceae | 8 |
| Carex zotovii | (Hamlin) K.A.Ford | Cyperaceae | 8 |
| Centella uniflora | Nannf. | Apiaceae | 8 |
| Centipeda aotearoana | N.G.Walsh | Asteraceae | 8 |
| Centrolepis ciliata | (Hook.f.) Druce | Restionaceae | 8 |
| Chaerophyllum colensoi | (Hook.f.) K.F.Chung | Apiaceae | 8 |
| Chenopodium allanii | Aellen | Chenopodiaceae | 8 |
| Chenopodium trigonon | Schult. | Chenopodiaceae | 8 |
| Chiloglottis cornuta | Hook.f. | Orchidaceae | 8 |
| Colobanthus muelleri | Kirk | Caryophyllaceae | 8 |
| Coprosma acerosa | A.Cunn. | Rubiaceae | 8 |
| Coprosma chathamica | Cockayne | Rubiaceae | 8 |
| Coprosma propinqua | A.Cunn. | Rubiaceae | 8 |
| Coprosma robusta | Raoul | Rubiaceae | 8 |
| Coriaria arborea | Linds. | Coriariaceae | 8 |
| Corokia macrocarpa | Kirk | Argophyllaceae | 8 |
| Corybas dienemus | D.L.Jones | Orchidaceae | 8 |
| Corybas macranthus | (Hook.f.) Rchb.f. | Orchidaceae | 8 |
| Corybas oblongus | (Hook.f.) Rchb.f. | Orchidaceae | 8 |
| Corybas trilobus | (Hook.f.) Rchb.f. | Orchidaceae | 8 |
| Corynocarpus laevigatus | J.R.Forst. & G.Forst. | Corynocarpaceae | 8 |
| Cotula australis | Hook.f. | Asteraceae | 8 |
| Cotula squalida | Hook.f. | Asteraceae | 8 |
| Cranfillia fluviatilis | (R.Br.) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Craspedia minor | (Hook.f.) Allan | Asteraceae | 8 |
| Crassula moschata | G.Forst. | Crassulaceae | 8 |
| Daucus glochidiatus | (Labill.) Fisch., C.A.Mey. & Avé-Lall. | Apiaceae | 8 |
| Dendroconche scandens | (G.Forst.) Testo, Sundue & A.R.Field | Polypodiaceae | 8 |
| Dichondra repens | J.R.Forst. & G.Forst. | Convolvulaceae | 8 |
| Dicksonia fibrosa | Colenso | Dicksoniaceae | 8 |
| Dicksonia squarrosa | (G.Forst.) Sw. | Dicksoniaceae | 8 |
| Diphasium scariosum | (G.Forst.) Rothm. | Lycopodiaceae | 8 |
| Discaria toumatou | Raoul | Rhamnaceae | 8 |
| Disphyma australe | (Sol. ex Aiton) J.M.Black | Aizoaceae | 8 |
| Disphyma papillatum | Chinnock | Aizoaceae | 8 |
| Dodonaea viscosa | Jacq. | Sapindaceae | 8 |
| Dracophyllum arboreum | Cockayne | Ericaceae | 8 |
| Dracophyllum scoparium | Hook.f. | Ericaceae | 8 |
| Drosera binata | Labill. | Droseraceae | 8 |
| Drymoanthus adversus | (Hook.f.) Dockrill | Orchidaceae | 8 |
| Earina autumnalis | (G.Forst.) Hook.f. | Orchidaceae | 8 |
| Earina mucronata | Lindl. | Orchidaceae | 8 |
| Echinopogon ovatus | (G.Forst.) P.Beauv. | Poaceae | 8 |
| Eleocharis acuta | R.Br. | Cyperaceae | 8 |
| Eleocharis gracilis | R.Br. | Cyperaceae | 8 |
| Epilobium alsinoides | A.Cunn. | Onagraceae | 8 |
| Epilobium billardiereanum | Ser. | Onagraceae | 8 |
| Epilobium chionanthum | Hausskn. | Onagraceae | 8 |
| Epilobium komarovianum | H.Lév. | Onagraceae | 8 |
| Epilobium nerterioides | A.Cunn. | Onagraceae | 8 |
| Epilobium nummulariifolium | R.Cunn. ex A.Cunn. | Onagraceae | 8 |
| Epilobium pallidiflorum | Sol. ex A.Cunn. | Onagraceae | 8 |
| Epilobium pedunculare | A.Cunn. | Onagraceae | 8 |
| Epilobium pubens | A.Rich. | Onagraceae | 8 |
| Epilobium rotundifolium | G.Forst. | Onagraceae | 8 |
| Erechtites minimus | (Poir.) DC. | Asteraceae | 8 |
| Euchiton audax | (D.G.Drury) Holub | Asteraceae | 8 |
| Euchiton involucratus | (G.Forst.) Holub | Asteraceae | 8 |
| Euchiton limosus | (D.G.Drury) Holub | Asteraceae | 8 |
| Euchiton sphaericus | (Willd.) Holub | Asteraceae | 8 |
| Euphorbia glauca | G.Forst. | Euphorbiaceae | 8 |
| Festuca coxii | (Petrie) Hack. | Poaceae | 8 |
| Ficinia nodosa | (Rottb.) Goetgh., Muasya & D.A.Simpson | Cyperaceae | 8 |
| Galium propinquum | A.Cunn. | Rubiaceae | 8 |
| Gastrodia cunninghamii | Hook.f. | Orchidaceae | 8 |
| Genoplesium nudum | (Hook.f.) D.L.Jones & M.A.Clem. | Orchidaceae | 8 |
| Gentianella chathamica | (Cheeseman) T.N.Ho & S.W.Liu | Gentianaceae | 8 |
| Geranium potentilloides | L'Hér. ex DC. | Geraniaceae | 8 |
| Geranium solanderi | Carolin | Geraniaceae | 8 |
| Geranium traversii | Hook.f. | Geraniaceae | 8 |
| Gleichenia dicarpa | R.Br. | Gleicheniaceae | 8 |
| Gonocarpus aggregatus | (Buchanan) Orchard | Haloragaceae | 8 |
| Gunnera monoica | Raoul | Gunneraceae | 8 |
| Haloragis erecta | (Murray) Oken | Haloragaceae | 8 |
| Helichrysum filicaule | Hook.f. | Asteraceae | 8 |
| Helichrysum lanceolatum | (Buchanan) Kirk | Asteraceae | 8 |
| Histiopteris incisa | (Thunb.) J.Sm. | Dennstaedtiaceae | 8 |
| Hiya distans | (Hook.) Brownsey & Perrie | Dennstaedtiaceae | 8 |
| Huperzia australiana | (Herter) Holub | Lycopodiaceae | 8 |
| Hydrocotyle heteromeria | A.Rich. | Araliaceae | 8 |
| Hydrocotyle microphylla | A.Cunn. | Araliaceae | 8 |
| Hydrocotyle moschata | G.Forst. | Araliaceae | 8 |
| Hydrocotyle novae-zeelandiae | DC. | Araliaceae | 8 |
| Hymenophyllum bivalve | (G.Forst.) Sw. | Hymenophyllaceae | 8 |
| Hymenophyllum cupressiforme | Labill. | Hymenophyllaceae | 8 |
| Hymenophyllum demissum | (Forst.) Sw. | Hymenophyllaceae | 8 |
| Hymenophyllum dilatatum | (Forst.) Sw. | Hymenophyllaceae | 8 |
| Hymenophyllum flabellatum | Labill. | Hymenophyllaceae | 8 |
| Hymenophyllum flexuosum | A.Cunn. | Hymenophyllaceae | 8 |
| Hymenophyllum lyallii | Hook.f. | Hymenophyllaceae | 8 |
| Hymenophyllum minimum | A.Rich. | Hymenophyllaceae | 8 |
| Hymenophyllum multifidum | (G.Forst.) Sw. | Hymenophyllaceae | 8 |
| Hymenophyllum nephrophyllum | Ebihara & K.Iwats. | Hymenophyllaceae | 8 |
| Hymenophyllum rarum | R.Br. | Hymenophyllaceae | 8 |
| Hymenophyllum revolutum | Colenso | Hymenophyllaceae | 8 |
| Hymenophyllum scabrum | A.Rich. | Hymenophyllaceae | 8 |
| Hymenophyllum villosum | Colenso | Hymenophyllaceae | 8 |
| Hypolepis ambigua | (A.Rich.) Brownsey & Chinnock | Dennstaedtiaceae | 8 |
| Hypolepis dicksonioides | (Endl.) Hook. | Dennstaedtiaceae | 8 |
| Hypolepis millefolium | Hook. | Dennstaedtiaceae | 8 |
| Hypolepis rugosula | (Labill.) J.Sm. | Dennstaedtiaceae | 8 |
| Hypolepis tenuifolia | (Forst.) Bernh. | Dennstaedtiaceae | 8 |
| Icarus filiformis | (A.Cunn.) Gasper & Salino | Blechnaceae | 8 |
| Isolepis cernua | (Vahl) Roem. & Schult. | Cyperaceae | 8 |
| Isolepis distigmatosa | (C.B.Clarke) Edgar | Cyperaceae | 8 |
| Isolepis inundata | R.Br. | Cyperaceae | 8 |
| Isolepis reticularis | Colenso | Cyperaceae | 8 |
| Juncus distegus | Edgar | Juncaceae | 8 |
| Juncus edgariae | L.A.S.Johnson & K.L.Wilson | Juncaceae | 8 |
| Juncus gregiflorus | L.A.S.Johnson | Juncaceae | 8 |
| Juncus kraussii | Hochst. | Juncaceae | 8 |
| Juncus pallidus | R.Br. | Juncaceae | 8 |
| Juncus sarophorus | L.A.S.Johnson | Juncaceae | 8 |
| Koeleria spicata | (L.) Barberá, Quintanar, Soreng & P.M.Peterson | Poaceae | 8 |
| Lagenophora pumila | (G.Forst.) Cheeseman | Asteraceae | 8 |
| Lastreopsis hispida | (Sw.) Tindale | Dryopteridaceae | 8 |
| Lateristachys lateralis | (R.Br.) Holub | Lycopodiaceae | 8 |
| Lepidium oblitum | Houliston, Heenan & de Lange | Brassicaceae | 8 |
| Lepidium oleraceum | Sparrm. | Brassicaceae | 8 |
| Lepidium oligodontum | de Lange & Heenan | Brassicaceae | 8 |
| Lepidium rekohuense | de Lange & Heenan | Brassicaceae | 8 |
| Lepidosperma australe | (A.Rich.) Hook.f. | Cyperaceae | 8 |
| Leptecophylla robusta | (Hook.f.) C.M.Weiller | Ericaceae | 8 |
| Leptinella featherstonii | F.Muell. | Asteraceae | 8 |
| Leptinella potentillina | F.Muell. | Asteraceae | 8 |
| Leptopteris hymenophylloides | (A.Rich.) C.Presl | Osmundaceae | 8 |
| Leptospermum scoparium | J.R.Forst. & G.Forst. | Myrtaceae | 8 |
| Leucopogon parviflorus | (Andrews) Lindl. | Ericaceae | 8 |
| Libertia peregrinans | Cockayne & Allan | Iridaceae | 8 |
| Lindsaea linearis | Sw. | Lindsaeaceae | 8 |
| Linum monogynum | G.Forst. | Linaceae | 8 |
| Lobelia angulata | G.Forst. | Campanulaceae | 8 |
| Lomaria discolor | (G.Forst.) Willd. | Blechnaceae | 8 |
| Loxogramme dictyopteris | (Mett.) Copel. | Polypodiaceae | 8 |
| Luzula banksiana | E.Mey. | Juncaceae | 8 |
| Luzula rufa | Edgar | Juncaceae | 8 |
| Machaerina rubiginosa | (Biehler) T.Koyama | Cyperaceae | 8 |
| Machaerina tenax | (Hook.f.) T.Koyama | Cyperaceae | 8 |
| Melicytus chathamicus | (F.Muell.) Garn.-Jones | Violaceae | 8 |
| Mentha cunninghamii | (Benth.) Benth. | Lamiaceae | 8 |
| Microlaena stipoides | (Labill.) R.Br. | Poaceae | 8 |
| Microschizaea australis | (Gaudich.) C.F.Reed | Schizaeaceae | 8 |
| Microschizaea fistulosa | (Labill.) C.F.Reed | Schizaeaceae | 8 |
| Microtis unifolia | (G.Forst.) Rchb.f. | Orchidaceae | 8 |
| Muehlenbeckia australis | (G.Forst.) Meisn. | Polygonaceae | 8 |
| Myoporum semotum | Heenan & de Lange | Scrophulariaceae | 8 |
| Myriophyllum pedunculatum | Hook.f. | Haloragaceae | 8 |
| Myriophyllum quitense | Kunth | Haloragaceae | 8 |
| Myriophyllum triphyllum | Orchard | Haloragaceae | 8 |
| Myriophyllum votschii | Schindl. | Haloragaceae | 8 |
| Myrsine chathamica | F.Muell. | Primulaceae | 8 |
| Notogrammitis angustifolia | (Jacq.) Parris | Polypodiaceae | 8 |
| Notogrammitis billardierei | (Willd.) Parris | Polypodiaceae | 8 |
| Notogrammitis heterophylla | (Labill.) Parris | Polypodiaceae | 8 |
| Notogrammitis patagonica | (C.Chr.) Parris | Polypodiaceae | 8 |
| Ophioglossum coriaceum | A.Cunn. | Ophioglossaceae | 8 |
| Ophioglossum petiolatum | Hook. | Ophioglossaceae | 8 |
| Oxalis rubens | Haw. | Oxalidaceae | 8 |
| Paesia scaberula | (A.Rich.) Kuhn | Dennstaedtiaceae | 8 |
| Pakau pennigera | (G.Forst.) S.E.Fawc. & A.R.Sm. | Thelypteridaceae | 8 |
| Parablechnum minus | (R.Br.) Gasper & Salino | Blechnaceae | 8 |
| Parablechnum montanum | (T.C.Chambers & P.A.Farrant) Gasper & Salino | Blechnaceae | 8 |
| Parablechnum novae-zelandiae | (T.C.Chambers & P.A.Farrant) Gasper & Salino | Blechnaceae | 8 |
| Parablechnum procerum | (G.Forst.) C.Presl | Blechnaceae | 8 |
| Parablechnum triangularifolium | (T.C.Chambers & P.A.Farrant) Gasper & Salino | Blechnaceae | 8 |
| Parapolystichum glabellum | (A.Cunn.) Labiak, Sundue & R.C.Moran | Dryopteridaceae | 8 |
| Parapolystichum microsorum | (Endl.) Labiak, Sundue & R.C.Moran | Dryopteridaceae | 8 |
| Parietaria debilis | G.Forst. | Urticaceae | 8 |
| Pelargonium inodorum | Willd. | Geraniaceae | 8 |
| Pellaea rotundifolia | (G.Forst.) Hook. | Pteridaceae | 8 |
| Persicaria decipiens | (R.Br.) K.L.Wilson | Polygonaceae | 8 |
| Phormium tenax | J.R.Forst. & G.Forst. | Asphodelaceae | 8 |
| Picris burbidgeae | S.Holzapfel | Asteraceae | 8 |
| Pimelea villosa | Sol. ex Sm. | Thymelaeaceae | 8 |
| Plagianthus divaricatus | J.R.Forst. & G.Forst. | Malvaceae | 8 |
| Plagianthus regius | (Poit.) Hochr. | Malvaceae | 8 |
| Plantago raoulii | Decne. | Plantaginaceae | 8 |
| Plantago triandra | Berggr. | Plantaginaceae | 8 |
| Poa chathamica | Petrie | Poaceae | 8 |
| Poa cita | Edgar | Poaceae | 8 |
| Poa imbecilla | Biehler | Poaceae | 8 |
| Poa triodioides | (Trin.) Zotov | Poaceae | 8 |
| Polyphlebium endlicherianum | (C.Presl) Ebihara & K.Iwats. | Hymenophyllaceae | 8 |
| Polyphlebium venosum | (R.Br.) Copel. | Hymenophyllaceae | 8 |
| Polystichum neozelandicum | Fée | Dryopteridaceae | 8 |
| Polystichum oculatum | (Hook.) J.B.Armstr. | Dryopteridaceae | 8 |
| Polystichum vestitum | (G.Forst.) C.Presl | Dryopteridaceae | 8 |
| Polystichum wawranum | (Szyszył.) Perrie | Dryopteridaceae | 8 |
| Potamogeton cheesemanii | A.Benn. | Potamogetonaceae | 8 |
| Prasophyllum colensoi | Hook.f. | Orchidaceae | 8 |
| Pseudodiphasium volubile | (G.Forst.) Holub | Lycopodiaceae | 8 |
| Pseudolycopodium densum | (Rothm.) Holub | Lycopodiaceae | 8 |
| Pseudopanax chathamicus | Kirk | Araliaceae | 8 |
| Pteridium esculentum | (G.Forst.) Cockayne | Dennstaedtiaceae | 8 |
| Pteris macilenta | A.Rich. | Pteridaceae | 8 |
| Pteris tremula | R.Br. | Pteridaceae | 8 |
| Pterostylis silvicultrix | (F.Muell.) D.L.Jones & M.A.Clem. | Orchidaceae | 8 |
| Puccinellia walkeri | (Kirk) Allan | Poaceae | 8 |
| Pyrrosia eleagnifolia | (Bory) Hovenkamp | Polypodiaceae | 8 |
| Pyrrosia serpens | (G.Forst.) Ching | Polypodiaceae | 8 |
| Ranunculus acaulis | DC. | Ranunculaceae | 8 |
| Ranunculus glabrifolius | Hook. | Ranunculaceae | 8 |
| Ranunculus reflexus | Garn.-Jones | Ranunculaceae | 8 |
| Rhopalostylis sapida | H.Wendl. & Drude | Arecaceae | 8 |
| Ripogonum scandens | J.R.Forst. & G.Forst. | Ripogonaceae | 8 |
| Rorippa divaricata | (Hook.f.) Garn.-Jones & Jonsell | Brassicaceae | 8 |
| Rumohra adiantiformis | (G.Forst.) Ching | Dryopteridaceae | 8 |
| Rytidosperma clavatum | (Zotov) Connor & Edgar | Poaceae | 8 |
| Rytidosperma gracile | (Hook.f.) Connor & Edgar | Poaceae | 8 |
| Salicornia quinqueflora | Bunge ex Ung.-Sternb. | Chenopodiaceae | 8 |
| Samolus repens | (J.R.Forst. & G.Forst.) Pers. | Primulaceae | 8 |
| Sceptridium australe | (R.Br.) Lyon | Ophioglossaceae | 8 |
| Sceptridium biforme | (Colenso) Lyon | Ophioglossaceae | 8 |
| Schoenoplectus pungens | (Vahl) Palla | Cyperaceae | 8 |
| Schoenus apogon | Roem. & Schult. | Cyperaceae | 8 |
| Schoenus maschalinus | Roem. & Schult. | Cyperaceae | 8 |
| Schoenus nitens | (R.Br.) Roem. & Schult. | Cyperaceae | 8 |
| Schoenus pauciflorus | (Hook.f.) Hook.f. | Cyperaceae | 8 |
| Senecio glomeratus | Desf. ex Poir. | Asteraceae | 8 |
| Senecio hispidulus | A.Rich. | Asteraceae | 8 |
| Senecio radiolatus | F.Muell. | Asteraceae | 8 |
| Senecio scaberulus | (Hook.f.) D.G.Drury | Asteraceae | 8 |
| Senecio sterquilinus | Ornduff | Asteraceae | 8 |
| Solanum aviculare | G.Forst. | Solanaceae | 8 |
| Solanum laciniatum | Aiton | Solanaceae | 8 |
| Sonchus grandifolius | Kirk | Asteraceae | 8 |
| Sonchus kirkii | Hamlin | Asteraceae | 8 |
| Sophora chathamica | Cockayne | Fabaceae | 8 |
| Sophora microphylla | Aiton | Fabaceae | 8 |
| Sphaeropteris medullaris | (G.Forst.) Bernh. | Cyatheaceae | 8 |
| Spiranthes australis | (R.Br.) Lindl. | Orchidaceae | 8 |
| Stellaria parviflora | Banks & Sol. ex Hook.f. | Caryophyllaceae | 8 |
| Thelymitra cyanea | (Lindl.) Benth. | Orchidaceae | 8 |
| Thelymitra longifolia | J.R.Forst. & G.Forst. | Orchidaceae | 8 |
| Thelymitra pulchella | Hook.f. | Orchidaceae | 8 |
| Tmesipteris elongata | P.A.Dang. | Psilotaceae | 8 |
| Tmesipteris lanceolata | P.A.Dang. | Psilotaceae | 8 |
| Tmesipteris tannensis | (Spreng.) Bernh. | Psilotaceae | 8 |
| Townsonia deflexa | Cheeseman | Orchidaceae | 8 |
| Triglochin striata | Ruiz & Pav. | Juncaginaceae | 8 |
| Veronica chathamica | Buchanan | Plantaginaceae | 8 |
| Veronica dieffenbachii | Benth. | Plantaginaceae | 8 |
| Veronica elliptica | G.Forst. | Plantaginaceae | 8 |
| Viola cunninghamii | Hook.f. | Violaceae | 8 |
| Waireia stenopetala | (Hook.f.) D.L.Jones, M.A.Clem. & Molloy | Orchidaceae | 8 |
| Carex tenuiculmis | (Petrie) Heenan & de Lange | Cyperaceae | 7 |
| Myrsine coxii | Cockayne | Primulaceae | 7 |
| Polyphlebium colensoi | (Hook.f.) Ebihara & K.Iwats. | Hymenophyllaceae | 7 |
| Wahlenbergia vernicosa | J.A.Petterson | Campanulaceae | 7 |
| Euchiton ruahinicus | (D.G.Drury) Breitw. & J.M.Ward | Asteraceae | 6 |
| Koeleria lepida | (Edgar & A.P.Druce) Barberá, Quintanar, Soreng & P.M.Peterson | Poaceae | 6 |
| Epilobium insulare | Hausskn. | Onagraceae | 5 |
| Ranunculus plebeius | R.Br. ex DC. | Ranunculaceae | 5 |
| Taraxacum zealandicum | Dahlst. | Asteraceae | 5 |
| Colobanthus muscoides | Hook.f. | Caryophyllaceae | 4 |
| Euchiton paludosus | (Petrie) Holub | Asteraceae | 4 |
| Notogrammitis givenii | (Parris) Parris | Polypodiaceae | 4 |
| Rytidosperma unarede | (Raoul) Connor & Edgar | Poaceae | 4 |
| Anthoxanthum fuscum | (Zotov) de Lange & C.J.James | Poaceae | 3 |
| Isolepis habra | (Edgar) Soják | Cyperaceae | 3 |
| Lastreopsis decomposita | (R.Br.) Tindale | Dryopteridaceae | 3 |