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  "last_modified": "2025-12-15",
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    "slug": "trichophorum-pumilum",
    "wfo": "wfo-0000591999",
    "inat_taxon_id": 79393
  },
  "name": {
    "scientific": "Trichophorum pumilum",
    "authorship": "(Vahl) Schinz & Thell.",
    "genus": "Trichophorum",
    "epithet": "pumilum",
    "family": "Cyperaceae",
    "rank": "species",
    "taxonomic_status": "accepted",
    "accepted_according_to": "World Flora Online Plant List, 2026-06",
    "is_homonym": false,
    "published_in": "Vierteljahrsschr. Naturf. Ges. Zürich 66: 265 (1921)",
    "protologue_url": "https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1681945",
    "common": {
      "preferred": "Rolland's bulrush",
      "english": [
        "Rolland's bulrush"
      ],
      "source": "wikidata"
    },
    "synonyms": [
      {
        "name": "Baeothryon pumilum",
        "authorship": "(Vahl) T.Koyama"
      },
      {
        "name": "Baeothryon pumilum",
        "authorship": "(Vahl) Á.Löve & D.Löve"
      },
      {
        "name": "Eleogiton elongantha",
        "authorship": "A.Dietr."
      },
      {
        "name": "Eriophorella pumila",
        "authorship": "(Vahl) Kit Tan"
      },
      {
        "name": "Isolepis elongantha",
        "authorship": "C.A.Mey."
      },
      {
        "name": "Isolepis elongata",
        "authorship": "C.A.Mey."
      },
      {
        "name": "Isolepis oligantha",
        "authorship": "C.A.Mey."
      },
      {
        "name": "Isolepis pumila",
        "authorship": "(Vahl) Roem. & Schult."
      },
      {
        "name": "Kreczetoviczia pumila",
        "authorship": "(Vahl) Tzvelev"
      },
      {
        "name": "Limnochloa alpina",
        "authorship": "(Schleich.) Rchb."
      },
      {
        "name": "Scirpus alpinus",
        "authorship": "Schleich."
      },
      {
        "name": "Scirpus alpinus",
        "authorship": "Schleich. ex Gaudin"
      },
      {
        "name": "Scirpus alpinus subsp. oliganthus",
        "authorship": "(C.A.Mey.) Printz"
      },
      {
        "name": "Scirpus atrichus",
        "authorship": "(Palla) Dalla Torre & Sarnth."
      },
      {
        "name": "Scirpus emergens",
        "authorship": "(Norman) Fernald"
      },
      {
        "name": "Scirpus meyeri",
        "authorship": "Trautv."
      },
      {
        "name": "Scirpus pumilus",
        "authorship": "Vahl"
      },
      {
        "name": "Scirpus pumilus subsp. rollandii",
        "authorship": "(Fernald) Raymond"
      },
      {
        "name": "Scirpus pumilus var. rollandii",
        "authorship": "(Fernald) Beetle"
      },
      {
        "name": "Scirpus rollandii",
        "authorship": "Fernald"
      },
      {
        "name": "Trichophorum atrichum",
        "authorship": "Palla"
      },
      {
        "name": "Trichophorum emergens",
        "authorship": "Norman"
      },
      {
        "name": "Trichophorum oliganthum",
        "authorship": "(C.A.Mey.) Fritsch"
      },
      {
        "name": "Trichophorum pumilum var. rollandii",
        "authorship": "(Fernald) Hultén"
      },
      {
        "name": "Trichophorum pumilus var. rollandii",
        "authorship": "(Fernald) Hultén"
      },
      {
        "name": "Trichophorum rollandii",
        "authorship": "(Fernald) Hultén"
      }
    ],
    "wikipedia": null
  },
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  "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"
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    "codes": [
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      "BRY",
      "CHN",
      "CHC",
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      "NOR",
      "SWI",
      "ASK",
      "ABT",
      "BRC",
      "CAL",
      "COL",
      "MNT",
      "NWT",
      "QUE",
      "SAS",
      "YUK"
    ],
    "regions": [
      {
        "code": "AFG",
        "name": "Afghanistan",
        "continent": "ASIA-TEMPERATE",
        "region": "Western Asia"
      },
      {
        "code": "ALT",
        "name": "Altay",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "BRY",
        "name": "Buryatiya",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "CHN",
        "name": "China North-Central",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "CHC",
        "name": "China South-Central",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "CTA",
        "name": "Chita",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "CHI",
        "name": "Inner Mongolia",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "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": "KRA",
        "name": "Krasnoyarsk",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "MON",
        "name": "Mongolia",
        "continent": "ASIA-TEMPERATE",
        "region": "Mongolia"
      },
      {
        "code": "NCS",
        "name": "North Caucasus",
        "continent": "ASIA-TEMPERATE",
        "region": "Caucasus"
      },
      {
        "code": "TZK",
        "name": "Tadzhikistan",
        "continent": "ASIA-TEMPERATE",
        "region": "Central Asia"
      },
      {
        "code": "CHT",
        "name": "Tibet",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "TCS",
        "name": "Transcaucasus",
        "continent": "ASIA-TEMPERATE",
        "region": "Caucasus"
      },
      {
        "code": "TVA",
        "name": "Tuva",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "UZB",
        "name": "Uzbekistan",
        "continent": "ASIA-TEMPERATE",
        "region": "Central Asia"
      },
      {
        "code": "WSB",
        "name": "West Siberia",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "CHX",
        "name": "Xinjiang",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "NEP",
        "name": "Nepal",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "PAK",
        "name": "Pakistan",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "WHM",
        "name": "West Himalaya",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "CZE",
        "name": "Czechia-Slovakia",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "RUE",
        "name": "East European Russia",
        "continent": "EUROPE",
        "region": "Eastern Europe"
      },
      {
        "code": "FRA",
        "name": "France",
        "continent": "EUROPE",
        "region": "Southwestern Europe"
      },
      {
        "code": "ITA",
        "name": "Italy",
        "continent": "EUROPE",
        "region": "Southeastern Europe"
      },
      {
        "code": "NOR",
        "name": "Norway",
        "continent": "EUROPE",
        "region": "Northern Europe"
      },
      {
        "code": "SWI",
        "name": "Switzerland",
        "continent": "EUROPE",
        "region": "Middle Europe"
      },
      {
        "code": "ASK",
        "name": "Alaska",
        "continent": "NORTHERN AMERICA",
        "region": "Subarctic America"
      },
      {
        "code": "ABT",
        "name": "Alberta",
        "continent": "NORTHERN AMERICA",
        "region": "Western Canada"
      },
      {
        "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": "MNT",
        "name": "Montana",
        "continent": "NORTHERN AMERICA",
        "region": "Northwestern U.S.A."
      },
      {
        "code": "NWT",
        "name": "Northwest Territories",
        "continent": "NORTHERN AMERICA",
        "region": "Subarctic America"
      },
      {
        "code": "QUE",
        "name": "Québec",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "SAS",
        "name": "Saskatchewan",
        "continent": "NORTHERN AMERICA",
        "region": "Western Canada"
      },
      {
        "code": "YUK",
        "name": "Yukon",
        "continent": "NORTHERN AMERICA",
        "region": "Subarctic America"
      }
    ]
  },
  "phenology": null,
  "traits": {
    "lifeform": "perennial or rhizomatous geophyte",
    "climate": "temperate"
  },
  "climate_envelope": null,
  "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": "climate_envelope",
      "status": "insufficient_evidence",
      "reason": "Fewer than 30 georeferenced research-grade observations of this taxon, which is too few to state a percentile range for the conditions it grows in. We would rather show nothing than a range computed from eight points in one county."
    },
    {
      "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": "not_sourced",
      "reason": "No dated flowering annotations found for this taxon."
    }
  ],
  "license": {
    "data": "CC BY 4.0",
    "attribution": "BotanAI, https://botanai.app/plants/trichophorum-pumilum/",
    "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)."
  }
}