{
  "$schema": "https://botanai.app/schema/species-v1.json",
  "schema_version": 1,
  "url": "https://botanai.app/plants/eleocharis-acicularis/",
  "last_modified": "2025-12-15",
  "id": {
    "slug": "eleocharis-acicularis",
    "wfo": "wfo-0000402534",
    "inat_taxon_id": 57020
  },
  "name": {
    "scientific": "Eleocharis acicularis",
    "authorship": "(L.) Roem. & Schult.",
    "genus": "Eleocharis",
    "epithet": "acicularis",
    "family": "Cyperaceae",
    "rank": "species",
    "taxonomic_status": "accepted",
    "accepted_according_to": "World Flora Online Plant List, 2026-06",
    "is_homonym": false,
    "published_in": "Syst. Veg., ed. 15[bis]. 2: 154 (1817)",
    "protologue_url": "https://www.cyperaceae.org/aphia.php?p=taxdetails&id=593122",
    "common": {
      "preferred": "needle spike-rush",
      "english": [
        "needle spike-rush",
        "needle spikerush"
      ],
      "source": "wikidata"
    },
    "synonyms": [
      {
        "name": "Baeothryon trichodes",
        "authorship": "(Kunth) A.Dietr."
      },
      {
        "name": "Chaetocyperus acicularis",
        "authorship": "(L.) Nees"
      },
      {
        "name": "Chaetocyperus trichoides",
        "authorship": "(Muhl.) Steud."
      },
      {
        "name": "Clavula acicularis",
        "authorship": "(L.) Dumort."
      },
      {
        "name": "Cyperus acicularis",
        "authorship": "(L.) With."
      },
      {
        "name": "Eleocharis acicularis f. acicularis",
        "authorship": null
      },
      {
        "name": "Eleocharis acicularis f. fluitans",
        "authorship": "(Döll) Svenson"
      },
      {
        "name": "Eleocharis acicularis f. inundata",
        "authorship": "Svenson"
      },
      {
        "name": "Eleocharis acicularis f. occidentalis",
        "authorship": "(Svenson) Beetle"
      },
      {
        "name": "Eleocharis acicularis f. rigidula",
        "authorship": "(Rchb.) Svenson"
      },
      {
        "name": "Eleocharis acicularis f. submersa",
        "authorship": "Ostenf."
      },
      {
        "name": "Eleocharis acicularis f. submersa",
        "authorship": "(Nilsson) Norman"
      },
      {
        "name": "Eleocharis acicularis f. submersa",
        "authorship": "Druce"
      },
      {
        "name": "Eleocharis acicularis f. triangularis",
        "authorship": "(Reinsch) Svenson"
      },
      {
        "name": "Eleocharis acicularis var. fluitans",
        "authorship": "Döll"
      },
      {
        "name": "Eleocharis acicularis var. gracilescens",
        "authorship": "Svenson"
      },
      {
        "name": "Eleocharis acicularis var. occidentalis",
        "authorship": "Svenson"
      },
      {
        "name": "Eleocharis acicularis var. submersa",
        "authorship": "(Nilsson) Svenson"
      },
      {
        "name": "Eleocharis acicularis var. typica",
        "authorship": "Svenson"
      },
      {
        "name": "Eleocharis atricha",
        "authorship": "Benth."
      },
      {
        "name": "Eleocharis chaetaria",
        "authorship": "Hance"
      },
      {
        "name": "Eleocharis comosa",
        "authorship": "K.Richt."
      },
      {
        "name": "Eleocharis costata",
        "authorship": "J.Presl & C.Presl"
      },
      {
        "name": "Eleocharis nervata",
        "authorship": "Svenson"
      },
      {
        "name": "Eleocharis triangularis",
        "authorship": "Reinsch"
      },
      {
        "name": "Eleocharis trichoides",
        "authorship": "(Kunth) Kuntze"
      },
      {
        "name": "Eleogiton exigua",
        "authorship": "A.Dietr."
      },
      {
        "name": "Isolepis acicularis",
        "authorship": "(L.) Schltdl."
      },
      {
        "name": "Isolepis exigua",
        "authorship": "Hook. & Arn."
      },
      {
        "name": "Isolepis longifolia",
        "authorship": "Steud."
      },
      {
        "name": "Isolepis uliginosa",
        "authorship": "Steud."
      },
      {
        "name": "Limnochloa acicularis",
        "authorship": "(L.) Rchb."
      },
      {
        "name": "Limnochloa acicularis var. gigantea",
        "authorship": "Rchb."
      },
      {
        "name": "Limnochloa costulata",
        "authorship": "Nees ex Kunth"
      },
      {
        "name": "Mariscus acicularis",
        "authorship": "(L.) Moench"
      },
      {
        "name": "Scirpidium aciculare",
        "authorship": "(L.) Nees"
      },
      {
        "name": "Scirpus acicularis",
        "authorship": "L."
      },
      {
        "name": "Scirpus acicularis f. submersa",
        "authorship": "(Nilsson) Norman"
      },
      {
        "name": "Scirpus acicularis f. submersus",
        "authorship": "(Nilsson) Nilsson"
      },
      {
        "name": "Scirpus acicularis f. submersus",
        "authorship": "(Nilsson) Porsild"
      },
      {
        "name": "Scirpus acicularis var. capillaris",
        "authorship": "Mérat"
      },
      {
        "name": "Scirpus acicularis var. fluitans",
        "authorship": "Döll"
      },
      {
        "name": "Scirpus acicularis var. giganteus",
        "authorship": "Gaudin"
      },
      {
        "name": "Scirpus acicularis var. rigidulus",
        "authorship": "Rchb."
      },
      {
        "name": "Scirpus acicularis var. submersus",
        "authorship": "Nilsson"
      },
      {
        "name": "Scirpus chaeta",
        "authorship": "Schult."
      },
      {
        "name": "Scirpus polymorphus",
        "authorship": "Salzm. ex Steud."
      },
      {
        "name": "Scirpus pusillus",
        "authorship": "Kunth"
      },
      {
        "name": "Scirpus trichodes",
        "authorship": "Muhl."
      },
      {
        "name": "Scirpus trichoides",
        "authorship": "Kunth"
      },
      {
        "name": "Scirpus uliginosus",
        "authorship": "K.Koch"
      },
      {
        "name": "Trichophyllum aciculare",
        "authorship": "(L.) House"
      }
    ],
    "wikipedia": "https://en.wikipedia.org/wiki/Eleocharis_acicularis"
  },
  "photographs": {
    "shown": 8,
    "usable_found": 96,
    "licences": [
      "CC0",
      "CC-BY",
      "CC-BY-SA"
    ],
    "noncommercial_excluded": true,
    "items": [
      {
        "photo_id": 162659677,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Yurii Basov",
        "creator_url": "https://www.inaturalist.org/people/yurii_basov",
        "source_url": "https://www.inaturalist.org/observations/2263691c-a8f9-45f1-bf53-06fa9c319d26",
        "observed_on": "2021-10-10",
        "lat": 57.982,
        "lon": 65.531,
        "original": {
          "width": 1024,
          "height": 461
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/162659677/r1/400.avif",
            "800": "https://img.botanai.app/p/162659677/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/162659677/r1/400.jpg",
            "800": "https://img.botanai.app/p/162659677/r1/800.jpg"
          }
        },
        "attribution": "Yurii Basov, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 162477505,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Vladimír Fuka",
        "creator_url": "https://www.inaturalist.org/people/vladimir_fuka",
        "source_url": "https://www.inaturalist.org/observations/b6ec2a50-56d9-43dc-8b17-fd6f25cf7445",
        "observed_on": "2021-10-09",
        "lat": 50.099,
        "lon": 13.399,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/162477505/r1/400.avif",
            "800": "https://img.botanai.app/p/162477505/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/162477505/r1/400.jpg",
            "800": "https://img.botanai.app/p/162477505/r1/800.jpg"
          }
        },
        "attribution": "Vladimír Fuka, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 162300766,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Вячеслав Юсупов",
        "creator_url": "https://www.inaturalist.org/people/tomegatherion",
        "source_url": "https://www.inaturalist.org/observations/d74cef77-e8dd-4ff5-aa1a-e22b33c3110e",
        "observed_on": "2021-10-05",
        "lat": 56.239,
        "lon": 43.847,
        "original": {
          "width": 1024,
          "height": 683
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/162300766/r1/400.avif",
            "800": "https://img.botanai.app/p/162300766/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/162300766/r1/400.jpg",
            "800": "https://img.botanai.app/p/162300766/r1/800.jpg"
          }
        },
        "attribution": "Вячеслав Юсупов, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 161246957,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Vladimír Fuka",
        "creator_url": "https://www.inaturalist.org/people/vladimir_fuka",
        "source_url": "https://www.inaturalist.org/observations/94497615-fad0-4580-9834-196e9cdebf74",
        "observed_on": "2021-10-03",
        "lat": 50.1,
        "lon": 13.399,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/161246957/r1/400.avif",
            "800": "https://img.botanai.app/p/161246957/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/161246957/r1/400.jpg",
            "800": "https://img.botanai.app/p/161246957/r1/800.jpg"
          }
        },
        "attribution": "Vladimír Fuka, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 156596140,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Oleg Kosterin",
        "creator_url": "https://www.inaturalist.org/people/oleg_kosterin",
        "source_url": "https://www.inaturalist.org/observations/4db3591a-aaea-473c-90d3-86a48eccf7f2",
        "observed_on": "2021-09-05",
        "lat": 54.15,
        "lon": 81.614,
        "original": {
          "width": 1024,
          "height": 683
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/156596140/r1/400.avif",
            "800": "https://img.botanai.app/p/156596140/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/156596140/r1/400.jpg",
            "800": "https://img.botanai.app/p/156596140/r1/800.jpg"
          }
        },
        "attribution": "Oleg Kosterin, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 151484084,
        "license": "CC-BY-SA",
        "license_name": "CC BY-SA 4.0",
        "license_url": "https://creativecommons.org/licenses/by-sa/4.0/",
        "derivatives_restricted": true,
        "creator": "Henry \"Nick\" Robertson",
        "creator_url": "https://www.inaturalist.org/people/henrythesick",
        "source_url": "https://www.inaturalist.org/observations/05e7ea78-c2e4-4a17-9632-987394e99c29",
        "observed_on": "2021-08-17",
        "lat": 45.4,
        "lon": -75.778,
        "original": {
          "width": 1024,
          "height": 683
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/151484084/r1/400.avif",
            "800": "https://img.botanai.app/p/151484084/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/151484084/r1/400.jpg",
            "800": "https://img.botanai.app/p/151484084/r1/800.jpg"
          }
        },
        "attribution": "Henry \"Nick\" Robertson, CC BY-SA 4.0, via iNaturalist"
      },
      {
        "photo_id": 186002275,
        "license": "CC-BY-SA",
        "license_name": "CC BY-SA 4.0",
        "license_url": "https://creativecommons.org/licenses/by-sa/4.0/",
        "derivatives_restricted": true,
        "creator": "Grzegorz Grzejszczak",
        "creator_url": "https://www.inaturalist.org/people/grzegorz_grzejszczak",
        "source_url": "https://www.inaturalist.org/observations/d490f6e4-c032-4731-886a-584b411b44af",
        "observed_on": "2021-08-02",
        "lat": 54.165,
        "lon": 16.944,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/186002275/r1/400.avif",
            "800": "https://img.botanai.app/p/186002275/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/186002275/r1/400.jpg",
            "800": "https://img.botanai.app/p/186002275/r1/800.jpg"
          }
        },
        "attribution": "Grzegorz Grzejszczak, CC BY-SA 4.0, via iNaturalist"
      },
      {
        "photo_id": 171422064,
        "license": "CC0",
        "license_name": "CC0 1.0",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "derivatives_restricted": false,
        "creator": "art_leostrin",
        "creator_url": "https://www.inaturalist.org/people/art_leostrin",
        "source_url": "https://www.inaturalist.org/observations/30bbfc67-53ae-40a6-ae6f-0b9d6ecc57a3",
        "observed_on": "2021-07-31",
        "lat": 58.381,
        "lon": 42.336,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/171422064/r1/400.avif",
            "800": "https://img.botanai.app/p/171422064/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/171422064/r1/400.jpg",
            "800": "https://img.botanai.app/p/171422064/r1/800.jpg"
          }
        },
        "attribution": "art_leostrin, CC0 1.0, 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": [
      "MOR",
      "AFG",
      "ALT",
      "IRN",
      "KAZ",
      "MON",
      "NCS",
      "TAI",
      "TCS",
      "TVA",
      "TUR",
      "YAK",
      "MYA",
      "PHI",
      "SUM",
      "VIE",
      "AUT",
      "BLT",
      "BLR",
      "BGM",
      "BUL",
      "RUC",
      "COR",
      "CZE",
      "DEN",
      "RUE",
      "FIN",
      "FRA",
      "GER",
      "GRB",
      "GRC",
      "HUN",
      "ICE",
      "IRE",
      "ITA",
      "YUG",
      "NET",
      "RUN",
      "RUW",
      "NOR",
      "POL",
      "POR",
      "ROM",
      "RUS",
      "SPA",
      "SWE",
      "SWI",
      "TUE",
      "UKR",
      "ALA",
      "ASK",
      "ABT",
      "ARI",
      "ARK",
      "BRC",
      "CAL",
      "COL",
      "CNT",
      "DEL",
      "WDC",
      "FLA",
      "GEO",
      "GNL",
      "IDA",
      "ILL",
      "INI",
      "IOW",
      "KAN",
      "KTY",
      "LAB",
      "LOU",
      "MAI",
      "MAN",
      "MRY",
      "MAS",
      "MXC",
      "MXG",
      "MXE",
      "MXN",
      "MXT",
      "MXS",
      "MIC",
      "MIN",
      "MSI",
      "MSO",
      "MNT",
      "NEB",
      "NEV",
      "NBR",
      "NWH",
      "NWJ",
      "NWM",
      "NWY",
      "NFL",
      "NCA",
      "NDA",
      "NWT",
      "NSC",
      "NUN",
      "OHI",
      "OKL",
      "ONT",
      "ORE",
      "PEN",
      "PEI",
      "QUE",
      "RHO",
      "SAS",
      "SCA",
      "SDA",
      "TEN",
      "TEX",
      "UTA",
      "VER",
      "VRG",
      "WAS",
      "WVA",
      "WIS",
      "WYO",
      "YUK",
      "BOL",
      "CLM",
      "COS",
      "ECU",
      "ELS",
      "GUA",
      "HAI",
      "HON",
      "PAN",
      "VEN"
    ],
    "regions": [
      {
        "code": "MOR",
        "name": "Morocco",
        "continent": "AFRICA",
        "region": "Northern Africa"
      },
      {
        "code": "AFG",
        "name": "Afghanistan",
        "continent": "ASIA-TEMPERATE",
        "region": "Western Asia"
      },
      {
        "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": "MON",
        "name": "Mongolia",
        "continent": "ASIA-TEMPERATE",
        "region": "Mongolia"
      },
      {
        "code": "NCS",
        "name": "North Caucasus",
        "continent": "ASIA-TEMPERATE",
        "region": "Caucasus"
      },
      {
        "code": "TAI",
        "name": "Taiwan",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "TCS",
        "name": "Transcaucasus",
        "continent": "ASIA-TEMPERATE",
        "region": "Caucasus"
      },
      {
        "code": "TVA",
        "name": "Tuva",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "TUR",
        "name": "Türkiye",
        "continent": "ASIA-TEMPERATE",
        "region": "Western Asia"
      },
      {
        "code": "YAK",
        "name": "Yakutiya",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "MYA",
        "name": "Myanmar",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "PHI",
        "name": "Philippines",
        "continent": "ASIA-TROPICAL",
        "region": "Malesia"
      },
      {
        "code": "SUM",
        "name": "Sumatera",
        "continent": "ASIA-TROPICAL",
        "region": "Malesia"
      },
      {
        "code": "VIE",
        "name": "Vietnam",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "AUT",
        "name": "Austria",
        "continent": "EUROPE",
        "region": "Middle 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": "COR",
        "name": "Corse",
        "continent": "EUROPE",
        "region": "Southwestern 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": "ICE",
        "name": "Iceland",
        "continent": "EUROPE",
        "region": "Northern 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": "TUE",
        "name": "Türkiye-in-Europe",
        "continent": "EUROPE",
        "region": "Southeastern Europe"
      },
      {
        "code": "UKR",
        "name": "Ukraine",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      },
      {
        "code": "ALA",
        "name": "Alabama",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "ASK",
        "name": "Alaska",
        "continent": "NORTHERN AMERICA",
        "region": "Subarctic America"
      },
      {
        "code": "ABT",
        "name": "Alberta",
        "continent": "NORTHERN AMERICA",
        "region": "Western Canada"
      },
      {
        "code": "ARI",
        "name": "Arizona",
        "continent": "NORTHERN AMERICA",
        "region": "Southwestern U.S.A."
      },
      {
        "code": "ARK",
        "name": "Arkansas",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "BRC",
        "name": "British Columbia",
        "continent": "NORTHERN AMERICA",
        "region": "Western Canada"
      },
      {
        "code": "CAL",
        "name": "California",
        "continent": "NORTHERN AMERICA",
        "region": "Southwestern U.S.A."
      },
      {
        "code": "COL",
        "name": "Colorado",
        "continent": "NORTHERN AMERICA",
        "region": "Northwestern U.S.A."
      },
      {
        "code": "CNT",
        "name": "Connecticut",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "DEL",
        "name": "Delaware",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "WDC",
        "name": "District of Columbia",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "FLA",
        "name": "Florida",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "GEO",
        "name": "Georgia",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "GNL",
        "name": "Greenland",
        "continent": "NORTHERN AMERICA",
        "region": "Subarctic America"
      },
      {
        "code": "IDA",
        "name": "Idaho",
        "continent": "NORTHERN AMERICA",
        "region": "Northwestern U.S.A."
      },
      {
        "code": "ILL",
        "name": "Illinois",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "INI",
        "name": "Indiana",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "IOW",
        "name": "Iowa",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "KAN",
        "name": "Kansas",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "KTY",
        "name": "Kentucky",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "LAB",
        "name": "Labrador",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "LOU",
        "name": "Louisiana",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "MAI",
        "name": "Maine",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "MAN",
        "name": "Manitoba",
        "continent": "NORTHERN AMERICA",
        "region": "Western Canada"
      },
      {
        "code": "MRY",
        "name": "Maryland",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "MAS",
        "name": "Massachusetts",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "MXC",
        "name": "Mexico Central",
        "continent": "NORTHERN AMERICA",
        "region": "Mexico"
      },
      {
        "code": "MXG",
        "name": "Mexico Gulf",
        "continent": "NORTHERN AMERICA",
        "region": "Mexico"
      },
      {
        "code": "MXE",
        "name": "Mexico Northeast",
        "continent": "NORTHERN AMERICA",
        "region": "Mexico"
      },
      {
        "code": "MXN",
        "name": "Mexico Northwest",
        "continent": "NORTHERN AMERICA",
        "region": "Mexico"
      },
      {
        "code": "MXT",
        "name": "Mexico Southeast",
        "continent": "NORTHERN AMERICA",
        "region": "Mexico"
      },
      {
        "code": "MXS",
        "name": "Mexico Southwest",
        "continent": "NORTHERN AMERICA",
        "region": "Mexico"
      },
      {
        "code": "MIC",
        "name": "Michigan",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "MIN",
        "name": "Minnesota",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "MSI",
        "name": "Mississippi",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "MSO",
        "name": "Missouri",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "MNT",
        "name": "Montana",
        "continent": "NORTHERN AMERICA",
        "region": "Northwestern U.S.A."
      },
      {
        "code": "NEB",
        "name": "Nebraska",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "NEV",
        "name": "Nevada",
        "continent": "NORTHERN AMERICA",
        "region": "Southwestern U.S.A."
      },
      {
        "code": "NBR",
        "name": "New Brunswick",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "NWH",
        "name": "New Hampshire",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "NWJ",
        "name": "New Jersey",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "NWM",
        "name": "New Mexico",
        "continent": "NORTHERN AMERICA",
        "region": "South-Central U.S.A."
      },
      {
        "code": "NWY",
        "name": "New York",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "NFL",
        "name": "Newfoundland",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "NCA",
        "name": "North Carolina",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "NDA",
        "name": "North Dakota",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "NWT",
        "name": "Northwest Territories",
        "continent": "NORTHERN AMERICA",
        "region": "Subarctic America"
      },
      {
        "code": "NSC",
        "name": "Nova Scotia",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "NUN",
        "name": "Nunavut",
        "continent": "NORTHERN AMERICA",
        "region": "Subarctic America"
      },
      {
        "code": "OHI",
        "name": "Ohio",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "OKL",
        "name": "Oklahoma",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "ONT",
        "name": "Ontario",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "ORE",
        "name": "Oregon",
        "continent": "NORTHERN AMERICA",
        "region": "Northwestern U.S.A."
      },
      {
        "code": "PEN",
        "name": "Pennsylvania",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "PEI",
        "name": "Prince Edward I.",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "QUE",
        "name": "Québec",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "RHO",
        "name": "Rhode I.",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "SAS",
        "name": "Saskatchewan",
        "continent": "NORTHERN AMERICA",
        "region": "Western Canada"
      },
      {
        "code": "SCA",
        "name": "South Carolina",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "SDA",
        "name": "South Dakota",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "TEN",
        "name": "Tennessee",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "TEX",
        "name": "Texas",
        "continent": "NORTHERN AMERICA",
        "region": "South-Central U.S.A."
      },
      {
        "code": "UTA",
        "name": "Utah",
        "continent": "NORTHERN AMERICA",
        "region": "Southwestern U.S.A."
      },
      {
        "code": "VER",
        "name": "Vermont",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "VRG",
        "name": "Virginia",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "WAS",
        "name": "Washington",
        "continent": "NORTHERN AMERICA",
        "region": "Northwestern U.S.A."
      },
      {
        "code": "WVA",
        "name": "West Virginia",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "WIS",
        "name": "Wisconsin",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "WYO",
        "name": "Wyoming",
        "continent": "NORTHERN AMERICA",
        "region": "Northwestern U.S.A."
      },
      {
        "code": "YUK",
        "name": "Yukon",
        "continent": "NORTHERN AMERICA",
        "region": "Subarctic America"
      },
      {
        "code": "BOL",
        "name": "Bolivia",
        "continent": "SOUTHERN AMERICA",
        "region": "Western South America"
      },
      {
        "code": "CLM",
        "name": "Colombia",
        "continent": "SOUTHERN AMERICA",
        "region": "Western South America"
      },
      {
        "code": "COS",
        "name": "Costa Rica",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "ECU",
        "name": "Ecuador",
        "continent": "SOUTHERN AMERICA",
        "region": "Western South America"
      },
      {
        "code": "ELS",
        "name": "El Salvador",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "GUA",
        "name": "Guatemala",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "HAI",
        "name": "Haiti",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "HON",
        "name": "Honduras",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "PAN",
        "name": "Panamá",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "VEN",
        "name": "Venezuela",
        "continent": "SOUTHERN AMERICA",
        "region": "Northern South America"
      }
    ]
  },
  "phenology": {
    "n": 25,
    "n_annotated": 38,
    "sufficient": false,
    "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": "helophyte or perennial",
    "climate": "temperate"
  },
  "climate_envelope": {
    "mean_annual_temp_c": {
      "p5": -0.1,
      "median": 7.3,
      "p95": 14.2
    },
    "temp_seasonality": {
      "p5": 436.5,
      "median": 929.7,
      "p95": 1303.2
    },
    "max_temp_warmest_month_c": {
      "p5": 19.4,
      "median": 23.5,
      "p95": 29.6
    },
    "min_temp_coldest_month_c": {
      "p5": -22.1,
      "median": -9.3,
      "p95": 3.7
    },
    "annual_precip_mm": {
      "p5": 429.9,
      "median": 801.1,
      "p95": 1378.5
    },
    "precip_seasonality": {
      "p5": 11.2,
      "median": 28.2,
      "p95": 84.7
    },
    "precip_driest_quarter_mm": {
      "p5": 31.1,
      "median": 117.9,
      "p95": 279.5
    },
    "n": 831,
    "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 831 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 25 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/eleocharis-acicularis/",
    "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)."
  }
}