{
  "$schema": "https://botanai.app/schema/species-v1.json",
  "schema_version": 1,
  "url": "https://botanai.app/plants/carex-acuta/",
  "last_modified": "2025-12-15",
  "id": {
    "slug": "carex-acuta",
    "wfo": "wfo-0000344146",
    "inat_taxon_id": 435946
  },
  "name": {
    "scientific": "Carex acuta",
    "authorship": "L.",
    "genus": "Carex",
    "epithet": "acuta",
    "family": "Cyperaceae",
    "rank": "species",
    "taxonomic_status": "accepted",
    "accepted_according_to": "World Flora Online Plant List, 2026-06",
    "is_homonym": false,
    "published_in": "Sp. Pl. : 978 (1753)",
    "protologue_url": "https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1677136",
    "common": {
      "preferred": "Slender Tufted-sedge",
      "english": [
        "Slender Tufted-sedge"
      ],
      "source": "wikidata"
    },
    "synonyms": [
      {
        "name": "Carex acuta f. amblylepis",
        "authorship": "Peterm."
      },
      {
        "name": "Carex acuta f. fluviatilis",
        "authorship": "(Hartm.) Almq."
      },
      {
        "name": "Carex acuta f. graciliflora",
        "authorship": "Legrand"
      },
      {
        "name": "Carex acuta f. gracilis",
        "authorship": "(Curtis) Sanio"
      },
      {
        "name": "Carex acuta f. pedicellata",
        "authorship": "Peterm."
      },
      {
        "name": "Carex acuta f. personata",
        "authorship": "(Fr.) Almq."
      },
      {
        "name": "Carex acuta f. tourangiana",
        "authorship": "(Boreau) Sanio"
      },
      {
        "name": "Carex acuta f. touranginiana",
        "authorship": "(Boreau) Sanio"
      },
      {
        "name": "Carex acuta f. tricostata",
        "authorship": "(Fr.) Almq."
      },
      {
        "name": "Carex acuta f. vaginata",
        "authorship": "Peterm."
      },
      {
        "name": "Carex acuta f. zygostachya",
        "authorship": "Rchb."
      },
      {
        "name": "Carex acuta prol. moenchiana",
        "authorship": "(Nyman) Rouy"
      },
      {
        "name": "Carex acuta prol. tricostata",
        "authorship": "(Fr.) Rouy"
      },
      {
        "name": "Carex acuta subsp. colorata",
        "authorship": "F.Nyl."
      },
      {
        "name": "Carex acuta subsp. intermedia",
        "authorship": "Čelak."
      },
      {
        "name": "Carex acuta subsp. nutans",
        "authorship": "Čelak."
      },
      {
        "name": "Carex acuta subsp. personata",
        "authorship": "(Fr.) P.Fourn."
      },
      {
        "name": "Carex acuta subsp. ruffa",
        "authorship": "(L.) Ehrh."
      },
      {
        "name": "Carex acuta subvar. graciliflora",
        "authorship": "Legrand"
      },
      {
        "name": "Carex acuta var. amblylepis",
        "authorship": "(Peterm.) Nyman"
      },
      {
        "name": "Carex acuta var. anomala",
        "authorship": "Hartm."
      },
      {
        "name": "Carex acuta var. chlorostachya",
        "authorship": "Rchb."
      },
      {
        "name": "Carex acuta var. chlorotica",
        "authorship": "Čelak."
      },
      {
        "name": "Carex acuta var. colorata",
        "authorship": "(F.Nyl.) Nyl. & Saelán"
      },
      {
        "name": "Carex acuta var. dioica",
        "authorship": "Peterm."
      },
      {
        "name": "Carex acuta var. fluviatilis",
        "authorship": "Hartm."
      },
      {
        "name": "Carex acuta var. graciliflora",
        "authorship": "(Legrand) Rouy"
      },
      {
        "name": "Carex acuta var. integrirostris",
        "authorship": "Regel"
      },
      {
        "name": "Carex acuta var. intermedia",
        "authorship": "Čelak."
      },
      {
        "name": "Carex acuta var. major",
        "authorship": "Gray"
      },
      {
        "name": "Carex acuta var. minor",
        "authorship": "Trevir."
      },
      {
        "name": "Carex acuta var. moenchiana",
        "authorship": "Nyman"
      },
      {
        "name": "Carex acuta var. monstrosa",
        "authorship": "Gray"
      },
      {
        "name": "Carex acuta var. nardifolia",
        "authorship": "Hartm."
      },
      {
        "name": "Carex acuta var. nutans",
        "authorship": "Čelak."
      },
      {
        "name": "Carex acuta var. personata",
        "authorship": "Fr."
      },
      {
        "name": "Carex acuta var. polystachia",
        "authorship": "Lej."
      },
      {
        "name": "Carex acuta var. ruffa",
        "authorship": "L."
      },
      {
        "name": "Carex acuta var. sparsiflora",
        "authorship": "Dewey"
      },
      {
        "name": "Carex acuta var. sphaerocarpa",
        "authorship": "R.Uechtr."
      },
      {
        "name": "Carex acuta var. stenophylla",
        "authorship": "Rouy"
      },
      {
        "name": "Carex acuta var. touranginiana",
        "authorship": "(Boreau) Rouy"
      },
      {
        "name": "Carex acuta var. tricostata",
        "authorship": "(Fr.) Crép."
      },
      {
        "name": "Carex ambigua",
        "authorship": "Moench"
      },
      {
        "name": "Carex brunnea var. minor",
        "authorship": "(Boott) Kük."
      },
      {
        "name": "Carex cespitosa var. gracilis",
        "authorship": "(Curtis) Fiori"
      },
      {
        "name": "Carex corynophora",
        "authorship": "Peterm."
      },
      {
        "name": "Carex cunninghamii",
        "authorship": "Boott"
      },
      {
        "name": "Carex dichroandra",
        "authorship": "V.I.Krecz."
      },
      {
        "name": "Carex echinata subsp. intermedia",
        "authorship": "Čelak."
      },
      {
        "name": "Carex fuscovaginata",
        "authorship": "Kük."
      },
      {
        "name": "Carex graciliformis",
        "authorship": "V.I.Krecz."
      },
      {
        "name": "Carex graciliformis",
        "authorship": "V.I.Krecz."
      },
      {
        "name": "Carex gracilis",
        "authorship": "Curtis"
      },
      {
        "name": "Carex gracilis f. amblylepis",
        "authorship": "(Peterm.) Asch. & Graebn."
      },
      {
        "name": "Carex gracilis f. angustiglumis",
        "authorship": "Podp."
      },
      {
        "name": "Carex gracilis f. brachystachya",
        "authorship": "Kük."
      },
      {
        "name": "Carex gracilis f. corynophora",
        "authorship": "(Peterm.) Kük."
      },
      {
        "name": "Carex gracilis f. furcata",
        "authorship": "Junge"
      },
      {
        "name": "Carex gracilis f. graciliflora",
        "authorship": "(Legrand) Soó"
      },
      {
        "name": "Carex gracilis f. pedicellata",
        "authorship": "(Peterm.) Soó"
      },
      {
        "name": "Carex gracilis f. personata",
        "authorship": "(Fr.) Lindm."
      },
      {
        "name": "Carex gracilis f. podperae",
        "authorship": "Soó"
      },
      {
        "name": "Carex gracilis f. protensa",
        "authorship": "(Fr.) Kük."
      },
      {
        "name": "Carex gracilis f. rudis",
        "authorship": "(Wimm.) Kük."
      },
      {
        "name": "Carex gracilis f. seminuda",
        "authorship": "(Beck) Kük."
      },
      {
        "name": "Carex gracilis f. vaginata",
        "authorship": "(Peterm.) Soó"
      },
      {
        "name": "Carex gracilis f. zygostachya",
        "authorship": "(Rchb.) Kük."
      },
      {
        "name": "Carex gracilis subsp. corynophora",
        "authorship": "(Peterm.) Asch. & Graebn."
      },
      {
        "name": "Carex gracilis subsp. erecta",
        "authorship": "Kük."
      },
      {
        "name": "Carex gracilis subsp. eugracilis",
        "authorship": "Kük."
      },
      {
        "name": "Carex gracilis subsp. intermedia",
        "authorship": "(Čelak.) Soó"
      },
      {
        "name": "Carex gracilis subsp. tricostata",
        "authorship": "(Fr.) Suess."
      },
      {
        "name": "Carex gracilis var. angustifolia",
        "authorship": "Kük."
      },
      {
        "name": "Carex gracilis var. approximata",
        "authorship": "Kük. ex Junge"
      },
      {
        "name": "Carex gracilis var. chlorotica",
        "authorship": "(Čelak.) Kük."
      },
      {
        "name": "Carex gracilis var. fluviatilis",
        "authorship": "(Hartm.) Kük."
      },
      {
        "name": "Carex gracilis var. humilis",
        "authorship": "Kük."
      },
      {
        "name": "Carex gracilis var. libanotica",
        "authorship": "Kük."
      },
      {
        "name": "Carex gracilis var. minor",
        "authorship": "Boott"
      },
      {
        "name": "Carex gracilis var. mucronata",
        "authorship": "Maire"
      },
      {
        "name": "Carex gracilis var. personata",
        "authorship": "(Fr.) Kük."
      },
      {
        "name": "Carex gracilis var. rudis",
        "authorship": "(Wimm.) Kük."
      },
      {
        "name": "Carex gracilis var. sphaerocarpa",
        "authorship": "(R.Uechtr.) Kük."
      },
      {
        "name": "Carex gracilis var. strictiflormis",
        "authorship": "Podp."
      },
      {
        "name": "Carex gracilis var. strictifolia",
        "authorship": "(Rchb.) Asch."
      },
      {
        "name": "Carex gracilis var. strictiformis",
        "authorship": "Podp."
      },
      {
        "name": "Carex gracilis var. tricostata",
        "authorship": "(Fr.) Asch."
      },
      {
        "name": "Carex lilibaea",
        "authorship": "Lojac."
      },
      {
        "name": "Carex miliacea",
        "authorship": "Krock."
      },
      {
        "name": "Carex moenchiana",
        "authorship": "Wender."
      },
      {
        "name": "Carex personata",
        "authorship": "(Fr.) C.B.Clarke"
      },
      {
        "name": "Carex podperae",
        "authorship": "Otruba"
      },
      {
        "name": "Carex pratensis",
        "authorship": "Hosé"
      },
      {
        "name": "Carex prolixa var. protensa",
        "authorship": "Fr."
      },
      {
        "name": "Carex pulchella",
        "authorship": "F.Nyl. ex Trevir."
      },
      {
        "name": "Carex recurva",
        "authorship": "Willd. ex Kunth"
      },
      {
        "name": "Carex riparia",
        "authorship": "Moench ex Steud."
      },
      {
        "name": "Carex rudis",
        "authorship": "Wimm."
      },
      {
        "name": "Carex rufa subsp. moenchiana",
        "authorship": "(Nyman) K.Richt."
      },
      {
        "name": "Carex rufa subsp. rudis",
        "authorship": "(Wimm.) K.Richt."
      },
      {
        "name": "Carex rufa subsp. wimmeri",
        "authorship": "(Steud.) K.Richt."
      },
      {
        "name": "Carex rufa var. seminuda",
        "authorship": "Beck"
      },
      {
        "name": "Carex sareptana",
        "authorship": "V.I.Krecz."
      },
      {
        "name": "Carex schummelii",
        "authorship": "Siegert"
      },
      {
        "name": "Carex strictifolia",
        "authorship": "Rchb."
      },
      {
        "name": "Carex strictifolia",
        "authorship": "Opiz ex Nyman"
      },
      {
        "name": "Carex touranginiana",
        "authorship": "Boreau"
      },
      {
        "name": "Carex tricostata",
        "authorship": "Fr."
      },
      {
        "name": "Carex tricostata var. fluvicola",
        "authorship": "Fr."
      },
      {
        "name": "Carex tricostata var. schummelii",
        "authorship": "(Siegert) Nyman"
      },
      {
        "name": "Carex virens",
        "authorship": "Thuill."
      },
      {
        "name": "Carex virginiana",
        "authorship": "Wood"
      },
      {
        "name": "Carex virginica",
        "authorship": "Steud."
      },
      {
        "name": "Carex vulgaris subsp. tricostata",
        "authorship": "(Fr.) K.Richt."
      },
      {
        "name": "Carex vulgaris var. tricostata",
        "authorship": "(Fr.) Boott"
      },
      {
        "name": "Carex wimmeri",
        "authorship": "Steud."
      },
      {
        "name": "Osculisa acuta",
        "authorship": "(L.) Raf."
      },
      {
        "name": "Vignantha acuta",
        "authorship": "(L.) Schur"
      },
      {
        "name": "Vignantha moenchiana",
        "authorship": "Schur"
      },
      {
        "name": "Vignantha touranginiana",
        "authorship": "(Boreau) Fourr."
      },
      {
        "name": "Vignea acuta",
        "authorship": "(L.) Rchb."
      },
      {
        "name": "Vignea moenchiana",
        "authorship": "Rchb."
      },
      {
        "name": "Vignea strictifolia",
        "authorship": "(Rchb.) Opiz"
      }
    ],
    "wikipedia": "https://en.wikipedia.org/wiki/Carex_acuta"
  },
  "photographs": {
    "shown": 8,
    "usable_found": 243,
    "licences": [
      "CC0",
      "CC-BY"
    ],
    "noncommercial_excluded": true,
    "items": [
      {
        "photo_id": 146982174,
        "license": "CC0",
        "license_name": "CC0 1.0",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "derivatives_restricted": false,
        "creator": "Силаева Татьяна Борисовна",
        "creator_url": "https://www.inaturalist.org/people/tbsilaeva",
        "source_url": "https://www.inaturalist.org/observations/638a9d02-f8e2-49f0-a2e9-6242dfac0df1",
        "observed_on": "2021-07-27",
        "lat": 55.137,
        "lon": 46.039,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/146982174/r1/400.avif",
            "800": "https://img.botanai.app/p/146982174/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/146982174/r1/400.jpg",
            "800": "https://img.botanai.app/p/146982174/r1/800.jpg"
          }
        },
        "attribution": "Силаева Татьяна Борисовна, CC0 1.0, via iNaturalist"
      },
      {
        "photo_id": 146396818,
        "license": "CC0",
        "license_name": "CC0 1.0",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "derivatives_restricted": false,
        "creator": "Алексей Ябс",
        "creator_url": "https://www.inaturalist.org/people/alexey_yabs",
        "source_url": "https://www.inaturalist.org/observations/13ab00e3-aadb-46b0-9411-8d73ebe77fa3",
        "observed_on": "2021-07-26",
        "lat": 59.789,
        "lon": 59.829,
        "original": {
          "width": 1024,
          "height": 472
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/146396818/r1/400.avif",
            "800": "https://img.botanai.app/p/146396818/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/146396818/r1/400.jpg",
            "800": "https://img.botanai.app/p/146396818/r1/800.jpg"
          }
        },
        "attribution": "Алексей Ябс, CC0 1.0, via iNaturalist"
      },
      {
        "photo_id": 143544136,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Иван Шихалев",
        "creator_url": "https://www.inaturalist.org/people/shikhalev",
        "source_url": "https://www.inaturalist.org/observations/80b4fe40-494a-4503-bb74-caaaa63329c7",
        "observed_on": "2021-07-14",
        "lat": 56.389,
        "lon": 58.559,
        "original": {
          "width": 1024,
          "height": 1024
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/143544136/r1/400.avif",
            "800": "https://img.botanai.app/p/143544136/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/143544136/r1/400.jpg",
            "800": "https://img.botanai.app/p/143544136/r1/800.jpg"
          }
        },
        "attribution": "Иван Шихалев, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 129335991,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Екатерина Войнова",
        "creator_url": "https://www.inaturalist.org/people/ekaterinavoinova",
        "source_url": "https://www.inaturalist.org/observations/055dddb6-a75f-48ad-b0ca-ea4acd700a74",
        "observed_on": "2021-05-16",
        "lat": 57.023,
        "lon": 41.007,
        "original": {
          "width": 1024,
          "height": 769
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/129335991/r1/400.avif",
            "800": "https://img.botanai.app/p/129335991/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/129335991/r1/400.jpg",
            "800": "https://img.botanai.app/p/129335991/r1/800.jpg"
          }
        },
        "attribution": "Екатерина Войнова, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 197250631,
        "license": "CC0",
        "license_name": "CC0 1.0",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "derivatives_restricted": false,
        "creator": "Liubov Ilminska",
        "creator_url": "https://www.inaturalist.org/people/liubov_ilminska",
        "source_url": "https://www.inaturalist.org/observations/9c9d798a-ccef-478b-bef9-d04c406a1985",
        "observed_on": "2020-07-01",
        "lat": 49.129,
        "lon": 30.324,
        "original": {
          "width": 1024,
          "height": 683
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/197250631/r1/400.avif",
            "800": "https://img.botanai.app/p/197250631/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/197250631/r1/400.jpg",
            "800": "https://img.botanai.app/p/197250631/r1/800.jpg"
          }
        },
        "attribution": "Liubov Ilminska, CC0 1.0, via iNaturalist"
      },
      {
        "photo_id": 80443825,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Aleksey Shumkov",
        "creator_url": "https://www.inaturalist.org/people/naturalist1691",
        "source_url": "https://www.inaturalist.org/observations/ce2250c4-4c31-4018-b359-8bb986a5bd79",
        "observed_on": "2020-06-19",
        "lat": 59.327,
        "lon": 57.144,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/80443825/r1/400.avif",
            "800": "https://img.botanai.app/p/80443825/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/80443825/r1/400.jpg",
            "800": "https://img.botanai.app/p/80443825/r1/800.jpg"
          }
        },
        "attribution": "Aleksey Shumkov, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 78909602,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Eugene Popov",
        "creator_url": "https://www.inaturalist.org/people/epopov",
        "source_url": "https://www.inaturalist.org/observations/c8cc9d93-3cdb-4fc6-acbf-4e9e2fae6e3c",
        "observed_on": "2020-06-15",
        "lat": 56.651,
        "lon": 30.114,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/78909602/r1/400.avif",
            "800": "https://img.botanai.app/p/78909602/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/78909602/r1/400.jpg",
            "800": "https://img.botanai.app/p/78909602/r1/800.jpg"
          }
        },
        "attribution": "Eugene Popov, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 78908576,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Eugene Popov",
        "creator_url": "https://www.inaturalist.org/people/epopov",
        "source_url": "https://www.inaturalist.org/observations/badcfeb3-3084-423d-88a7-96fefbbd62c9",
        "observed_on": "2020-06-15",
        "lat": 56.646,
        "lon": 30.124,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/78908576/r1/400.avif",
            "800": "https://img.botanai.app/p/78908576/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/78908576/r1/400.jpg",
            "800": "https://img.botanai.app/p/78908576/r1/800.jpg"
          }
        },
        "attribution": "Eugene Popov, CC BY 4.0, via iNaturalist"
      }
    ]
  },
  "native_range": {
    "scheme": "TDWG World Geographical Scheme for Recording Plant Distributions, level 3",
    "source": "Kew, World Checklist of Vascular Plants (WCVP v16)",
    "license": "CC BY 3.0",
    "excludes": [
      "introduced",
      "extinct",
      "location_doubtful"
    ],
    "codes": [
      "AZO",
      "ALT",
      "IRN",
      "KAZ",
      "KGZ",
      "LBS",
      "MON",
      "NCS",
      "TCS",
      "TUR",
      "WSB",
      "YAK",
      "ALB",
      "AUT",
      "BAL",
      "BLT",
      "BLR",
      "BGM",
      "BUL",
      "RUC",
      "CZE",
      "DEN",
      "RUE",
      "FIN",
      "FRA",
      "GER",
      "GRB",
      "GRC",
      "HUN",
      "IRE",
      "ITA",
      "YUG",
      "NET",
      "RUN",
      "RUW",
      "NOR",
      "POL",
      "POR",
      "ROM",
      "RUS",
      "SPA",
      "SWE",
      "SWI",
      "UKR"
    ],
    "regions": [
      {
        "code": "AZO",
        "name": "Azores",
        "continent": "AFRICA",
        "region": "Macaronesia"
      },
      {
        "code": "ALT",
        "name": "Altay",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "IRN",
        "name": "Iran",
        "continent": "ASIA-TEMPERATE",
        "region": "Western Asia"
      },
      {
        "code": "KAZ",
        "name": "Kazakhstan",
        "continent": "ASIA-TEMPERATE",
        "region": "Central Asia"
      },
      {
        "code": "KGZ",
        "name": "Kirgizstan",
        "continent": "ASIA-TEMPERATE",
        "region": "Central Asia"
      },
      {
        "code": "LBS",
        "name": "Lebanon-Syria",
        "continent": "ASIA-TEMPERATE",
        "region": "Western Asia"
      },
      {
        "code": "MON",
        "name": "Mongolia",
        "continent": "ASIA-TEMPERATE",
        "region": "Mongolia"
      },
      {
        "code": "NCS",
        "name": "North Caucasus",
        "continent": "ASIA-TEMPERATE",
        "region": "Caucasus"
      },
      {
        "code": "TCS",
        "name": "Transcaucasus",
        "continent": "ASIA-TEMPERATE",
        "region": "Caucasus"
      },
      {
        "code": "TUR",
        "name": "Türkiye",
        "continent": "ASIA-TEMPERATE",
        "region": "Western Asia"
      },
      {
        "code": "WSB",
        "name": "West Siberia",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "YAK",
        "name": "Yakutiya",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "ALB",
        "name": "Albania",
        "continent": "EUROPE",
        "region": "Southeastern Europe"
      },
      {
        "code": "AUT",
        "name": "Austria",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "BAL",
        "name": "Baleares",
        "continent": "EUROPE",
        "region": "Southwestern Europe"
      },
      {
        "code": "BLT",
        "name": "Baltic States",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      },
      {
        "code": "BLR",
        "name": "Belarus",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      },
      {
        "code": "BGM",
        "name": "Belgium",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "BUL",
        "name": "Bulgaria",
        "continent": "EUROPE",
        "region": "Southeastern Europe"
      },
      {
        "code": "RUC",
        "name": "Central European Russia",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      },
      {
        "code": "CZE",
        "name": "Czechia-Slovakia",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "DEN",
        "name": "Denmark",
        "continent": "EUROPE",
        "region": "Northern Europe"
      },
      {
        "code": "RUE",
        "name": "East European Russia",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      },
      {
        "code": "FIN",
        "name": "Finland",
        "continent": "EUROPE",
        "region": "Northern Europe"
      },
      {
        "code": "FRA",
        "name": "France",
        "continent": "EUROPE",
        "region": "Southwestern Europe"
      },
      {
        "code": "GER",
        "name": "Germany",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "GRB",
        "name": "Great Britain",
        "continent": "EUROPE",
        "region": "Northern Europe"
      },
      {
        "code": "GRC",
        "name": "Greece",
        "continent": "EUROPE",
        "region": "Southeastern Europe"
      },
      {
        "code": "HUN",
        "name": "Hungary",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "IRE",
        "name": "Ireland",
        "continent": "EUROPE",
        "region": "Northern Europe"
      },
      {
        "code": "ITA",
        "name": "Italy",
        "continent": "EUROPE",
        "region": "Southeastern Europe"
      },
      {
        "code": "YUG",
        "name": "NW. Balkan Pen.",
        "continent": "EUROPE",
        "region": "Southeastern Europe"
      },
      {
        "code": "NET",
        "name": "Netherlands",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "RUN",
        "name": "North European Russia",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      },
      {
        "code": "RUW",
        "name": "Northwest European Russia",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      },
      {
        "code": "NOR",
        "name": "Norway",
        "continent": "EUROPE",
        "region": "Northern Europe"
      },
      {
        "code": "POL",
        "name": "Poland",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "POR",
        "name": "Portugal",
        "continent": "EUROPE",
        "region": "Southwestern Europe"
      },
      {
        "code": "ROM",
        "name": "Romania",
        "continent": "EUROPE",
        "region": "Southeastern Europe"
      },
      {
        "code": "RUS",
        "name": "South European Russia",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      },
      {
        "code": "SPA",
        "name": "Spain",
        "continent": "EUROPE",
        "region": "Southwestern Europe"
      },
      {
        "code": "SWE",
        "name": "Sweden",
        "continent": "EUROPE",
        "region": "Northern Europe"
      },
      {
        "code": "SWI",
        "name": "Switzerland",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "UKR",
        "name": "Ukraine",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      }
    ]
  },
  "phenology": {
    "n": 29,
    "n_annotated": 63,
    "sufficient": false,
    "fruiting": {
      "n": 32,
      "by_month": [
        0,
        0,
        0,
        1,
        2,
        15,
        9,
        4,
        0,
        1,
        0,
        0
      ],
      "share": [
        null,
        null,
        null,
        null,
        0.0909,
        0.75,
        0.75,
        0.8,
        null,
        null,
        null,
        null
      ],
      "ci": [
        null,
        null,
        null,
        null,
        [
          0.0253,
          0.2782
        ],
        [
          0.5313,
          0.8881
        ],
        [
          0.4677,
          0.9111
        ],
        [
          0.3755,
          0.9638
        ],
        null,
        null,
        null,
        null
      ],
      "peak_month": 8
    },
    "doi": null,
    "source": "GBIF SQL download of iNaturalist Research-grade Observations",
    "quality_grade": "research (guaranteed upstream by iNaturalist at export)",
    "fields": {
      "by_month": "observations found IN FLOWER, by month (Jan..Dec)",
      "annotated_by_month": "observations in which a human recorded the reproductive state at all, by month. This is the denominator, and it includes the records that said \"no flowers or fruits\".",
      "share": "by_month / annotated_by_month. null where too few plants were examined to state a proportion.",
      "ci": "95% Wilson score interval on share.",
      "peak_month": "the month with the highest SHARE, not the highest count."
    }
  },
  "traits": {
    "lifeform": "perennial or rhizomatous geophyte",
    "climate": "temperate"
  },
  "climate_envelope": {
    "mean_annual_temp_c": {
      "p5": 1.1,
      "median": 5.2,
      "p95": 9.2
    },
    "temp_seasonality": {
      "p5": 695.2,
      "median": 967.8,
      "p95": 1266.3
    },
    "max_temp_warmest_month_c": {
      "p5": 20,
      "median": 23.1,
      "p95": 25.8
    },
    "min_temp_coldest_month_c": {
      "p5": -19.1,
      "median": -10.9,
      "p95": -3.3
    },
    "annual_precip_mm": {
      "p5": 470.3,
      "median": 650.5,
      "p95": 786.8
    },
    "precip_seasonality": {
      "p5": 20.2,
      "median": 29.7,
      "p95": 49.3
    },
    "precip_driest_quarter_mm": {
      "p5": 63.2,
      "median": 103.6,
      "p95": 135.1
    },
    "n": 1744,
    "units": {
      "mean_annual_temp_c": "degrees Celsius",
      "min_temp_coldest_month_c": "degrees Celsius (mean daily MINIMUM of the coldest month)",
      "max_temp_warmest_month_c": "degrees Celsius (mean daily MAXIMUM of the warmest month)",
      "annual_precip_mm": "millimetres per year",
      "precip_driest_quarter_mm": "millimetres in the driest quarter"
    },
    "source": "CHELSA V2.1 climatologies 1981-2010, 30 arcsec",
    "citation": "Karger, D.N. et al. (2017) Climatologies at high resolution for the earth's land surface areas. Scientific Data 4, 170122.",
    "occurrences": "iNaturalist Research-grade Observations",
    "occurrences_doi": null,
    "method": "Climate sampled at every georeferenced research-grade observation of the species. Reported as the 5th to 95th percentile across 1744 of them. Species with fewer than 30 georeferenced observations get no envelope.",
    "is_hardiness_zone": false,
    "hardiness_zone_note": "min_temp_coldest_month_c is NOT a USDA hardiness zone. A USDA zone is the average annual EXTREME minimum temperature; this is the mean daily minimum of the coldest month, which is typically about 16 C warmer. Do not present one as the other."
  },
  "identification": {
    "on_device_model": {
      "model": "Google AIY plants V1 (TFLite, 2,102 classes)",
      "identifies_this_species": false
    },
    "in_accuracy_benchmark": false,
    "benchmark_url": "https://botanai.app/accuracy/",
    "confused_with": []
  },
  "sources": [
    {
      "name": "World Flora Online Plant List",
      "note": "accepted name, authority, classification",
      "license": "CC0",
      "url": "https://www.worldfloraonline.org/",
      "retrieved": "2026-07-12"
    },
    {
      "name": "iNaturalist",
      "note": "photographs and flowering annotations, CC0 / CC BY / CC BY-SA only",
      "license": "per photograph",
      "url": "https://www.inaturalist.org/",
      "retrieved": "2026-06-27"
    },
    {
      "name": "Wikidata",
      "note": "common name (P1843), joined on the World Flora Online identifier (P7715)",
      "license": "CC0",
      "url": "https://www.wikidata.org/",
      "retrieved": "2026-07-13"
    },
    {
      "name": "Kew, World Checklist of Vascular Plants (WCVP v16)",
      "note": "native distribution by TDWG level-3 botanical country, and life form",
      "license": "CC BY 3.0",
      "url": "https://doi.org/10.15468/6h8ucr",
      "retrieved": "2026-06-04"
    }
  ],
  "gaps": [
    {
      "field": "care",
      "status": "not_published",
      "reason": "Not published anywhere on this site. Every care claim we could make cheaply would be an unsourced enum, which is what the previous version of this site did and why it was deleted."
    },
    {
      "field": "toxicity",
      "status": "not_published",
      "reason": "Not published. The widely copied list is a copyrighted compilation restricted to noncommercial use, and we will not scrape it. A sourced toxicity dataset is being built from primary literature and is not ready."
    },
    {
      "field": "botanical_review",
      "status": "not_sourced",
      "reason": "No page on this site has been reviewed by a named botanist. The determination label says so, on every page."
    },
    {
      "field": "hardiness_zone",
      "status": "not_published",
      "reason": "Not published for any species. A USDA hardiness zone is the average annual EXTREME minimum temperature, and we hold the mean daily minimum of the coldest month, which is a different quantity and typically about 16 C warmer. Presenting one as the other would place a plant several zones too warm, so we do not publish a zone at all."
    },
    {
      "field": "phenology",
      "status": "insufficient_evidence",
      "reason": "Only 29 annotated flowering records, below our threshold of 30. A curve fitted to a dozen records is noise, so we do not draw one."
    }
  ],
  "license": {
    "data": "CC BY 4.0",
    "attribution": "BotanAI, https://botanai.app/plants/carex-acuta/",
    "note": "This document is licensed CC BY 4.0. The PHOTOGRAPHS it links are licensed individually and separately: each carries its own license and license_url, and those terms govern. Underlying taxonomy is CC0 (World Flora Online); native range is CC BY 3.0 (Kew)."
  }
}