{
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  "last_modified": "2025-12-15",
  "id": {
    "slug": "carex-brunnea",
    "wfo": "wfo-0000345147",
    "inat_taxon_id": 159898
  },
  "name": {
    "scientific": "Carex brunnea",
    "authorship": "Thunb.",
    "genus": "Carex",
    "epithet": "brunnea",
    "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. 14. : 844 (1784)",
    "protologue_url": "https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1678200",
    "common": {
      "preferred": "greater brown sedge",
      "english": [
        "greater brown sedge"
      ],
      "source": "wikidata"
    },
    "synonyms": [
      {
        "name": "Carex acuta f. rigida",
        "authorship": "Sanio"
      },
      {
        "name": "Carex acuta var. longiglumis",
        "authorship": "Cariot"
      },
      {
        "name": "Carex acuta var. pseudaquatilis",
        "authorship": "Appel"
      },
      {
        "name": "Carex acuta var. staminifera",
        "authorship": "Boott"
      },
      {
        "name": "Carex aemulans",
        "authorship": "Liebm. & Drejer"
      },
      {
        "name": "Carex amami-oshimensis",
        "authorship": "Akiyama"
      },
      {
        "name": "Carex asperifolia",
        "authorship": "Steud."
      },
      {
        "name": "Carex assimilis",
        "authorship": "Steud."
      },
      {
        "name": "Carex boissieri",
        "authorship": "Steud."
      },
      {
        "name": "Carex brunnea var. abscondita",
        "authorship": "T.Koyama"
      },
      {
        "name": "Carex brunnea var. masoalensis",
        "authorship": "(Cherm.) Cherm."
      },
      {
        "name": "Carex brunnea var. scabrifolia",
        "authorship": "Boeckeler"
      },
      {
        "name": "Carex buruensis",
        "authorship": "Nelmes"
      },
      {
        "name": "Carex commersoniana",
        "authorship": "Sieber ex Kunth"
      },
      {
        "name": "Carex compacta",
        "authorship": "Wimm."
      },
      {
        "name": "Carex conjugata",
        "authorship": "Willd. ex Kunth"
      },
      {
        "name": "Carex fabri",
        "authorship": "Hance"
      },
      {
        "name": "Carex gentilis var. oshimensis",
        "authorship": "Kük."
      },
      {
        "name": "Carex gracilis var. compacta",
        "authorship": "(St.-Lag.) Kük."
      },
      {
        "name": "Carex ischnantha",
        "authorship": "Steud."
      },
      {
        "name": "Carex masoalensis",
        "authorship": "Cherm."
      },
      {
        "name": "Carex mauritanica",
        "authorship": "Steud."
      },
      {
        "name": "Carex megacarpa",
        "authorship": "T.Koyama"
      },
      {
        "name": "Carex paludosa var. aemulans",
        "authorship": "(Liebm. & Drejer) Nyman"
      },
      {
        "name": "Carex spadiceovaginata",
        "authorship": "Ohwi"
      },
      {
        "name": "Carex tenuispica",
        "authorship": "Steud."
      },
      {
        "name": "Caricina compacta",
        "authorship": "St.-Lag."
      },
      {
        "name": "Olotrema brunnea",
        "authorship": "(Thunb.) Raf."
      },
      {
        "name": "Vignea conjugata",
        "authorship": "(Willd. ex Kunth) Rchb."
      }
    ],
    "wikipedia": "https://en.wikipedia.org/wiki/Carex_brunnea"
  },
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    "source": "Kew, World Checklist of Vascular Plants (WCVP v16)",
    "license": "CC BY 3.0",
    "excludes": [
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      "location_doubtful"
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    "codes": [
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      "MAU",
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      "CHT",
      "YEM",
      "MYA",
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      "NFK",
      "QLD"
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    "regions": [
      {
        "code": "ERI",
        "name": "Eritrea",
        "continent": "AFRICA",
        "region": "Northeast Tropical Africa"
      },
      {
        "code": "ETH",
        "name": "Ethiopia",
        "continent": "AFRICA",
        "region": "Northeast Tropical Africa"
      },
      {
        "code": "MDG",
        "name": "Madagascar",
        "continent": "AFRICA",
        "region": "Western Indian Ocean"
      },
      {
        "code": "MAU",
        "name": "Mauritius",
        "continent": "AFRICA",
        "region": "Western Indian Ocean"
      },
      {
        "code": "ROD",
        "name": "Rodrigues",
        "continent": "AFRICA",
        "region": "Western Indian Ocean"
      },
      {
        "code": "REU",
        "name": "Réunion",
        "continent": "AFRICA",
        "region": "Western Indian Ocean"
      },
      {
        "code": "SOM",
        "name": "Somalia",
        "continent": "AFRICA",
        "region": "Northeast Tropical Africa"
      },
      {
        "code": "CHN",
        "name": "China North-Central",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "CHC",
        "name": "China South-Central",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "CHS",
        "name": "China Southeast",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "JAP",
        "name": "Japan",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "KOR",
        "name": "Korea",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "NNS",
        "name": "Nansei-shoto",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "TAI",
        "name": "Taiwan",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "CHT",
        "name": "Tibet",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "YEM",
        "name": "Yemen",
        "continent": "ASIA-TEMPERATE",
        "region": "Arabian Peninsula"
      },
      {
        "code": "MYA",
        "name": "Myanmar",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "VIE",
        "name": "Vietnam",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "NSW",
        "name": "New South Wales",
        "continent": "AUSTRALASIA",
        "region": "Australia"
      },
      {
        "code": "NFK",
        "name": "Norfolk Is.",
        "continent": "AUSTRALASIA",
        "region": "Australia"
      },
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        "code": "QLD",
        "name": "Queensland",
        "continent": "AUSTRALASIA",
        "region": "Australia"
      }
    ]
  },
  "phenology": {
    "n": 8,
    "n_annotated": 25,
    "sufficient": false,
    "doi": null,
    "source": "GBIF SQL download of iNaturalist Research-grade Observations",
    "quality_grade": "research (guaranteed upstream by iNaturalist at export)",
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      "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": "subtropical"
  },
  "climate_envelope": {
    "mean_annual_temp_c": {
      "p5": 15.1,
      "median": 22.3,
      "p95": 24.2
    },
    "temp_seasonality": {
      "p5": 252.9,
      "median": 417.1,
      "p95": 715.5
    },
    "max_temp_warmest_month_c": {
      "p5": 23.3,
      "median": 29.1,
      "p95": 31.5
    },
    "min_temp_coldest_month_c": {
      "p5": 2,
      "median": 12.7,
      "p95": 19.2
    },
    "annual_precip_mm": {
      "p5": 1524.8,
      "median": 3066.3,
      "p95": 4356
    },
    "precip_seasonality": {
      "p5": 28.6,
      "median": 43.4,
      "p95": 88.8
    },
    "precip_driest_quarter_mm": {
      "p5": 118.9,
      "median": 345.3,
      "p95": 736.5
    },
    "n": 131,
    "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 131 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 8 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-brunnea/",
    "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)."
  }
}