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    "inat_taxon_id": 167517
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  "name": {
    "scientific": "Psilotum nudum",
    "authorship": "(L.) P.Beauv.",
    "genus": "Psilotum",
    "epithet": "nudum",
    "family": "Psilotaceae",
    "rank": "species",
    "taxonomic_status": "accepted",
    "accepted_according_to": "World Flora Online Plant List, 2026-06",
    "is_homonym": false,
    "published_in": "Prodr. Aethéogam. : 112 (1805)",
    "protologue_url": "https://pteridogroup.github.io/",
    "common": {
      "preferred": "Cocks crow",
      "english": [
        "Cocks crow",
        "Forest moa",
        "Upright whiskfern",
        "whisk fern"
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      "source": "wikidata"
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    "synonyms": [
      {
        "name": "Bernhardia antillarum",
        "authorship": "Müll.Berol."
      },
      {
        "name": "Bernhardia capensis",
        "authorship": "Müll.Hal."
      },
      {
        "name": "Bernhardia deppeana",
        "authorship": "Müll.Berol."
      },
      {
        "name": "Bernhardia dichotoma",
        "authorship": "Willd. ex Bernh."
      },
      {
        "name": "Bernhardia novae-hollandiae",
        "authorship": "K.Mull."
      },
      {
        "name": "Bernhardia oahuensis",
        "authorship": "Müll.Berol."
      },
      {
        "name": "Hoffmannia aphylla",
        "authorship": "Willd."
      },
      {
        "name": "Hoffmannia uxpanapense",
        "authorship": "Cast.-Campos & Baut.-Bello"
      },
      {
        "name": "Lycopodium nudum",
        "authorship": "L."
      },
      {
        "name": "Psilotum domingense",
        "authorship": "Gand."
      },
      {
        "name": "Psilotum flabellatum",
        "authorship": "Gand."
      },
      {
        "name": "Psilotum floridanum",
        "authorship": "Michx."
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      {
        "name": "Psilotum heterocarpum",
        "authorship": "Colenso"
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      {
        "name": "Psilotum neocaledonicum",
        "authorship": "Gand."
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      {
        "name": "Psilotum novae-zelandiae",
        "authorship": "Gand."
      },
      {
        "name": "Psilotum nudum",
        "authorship": "(L.) Griseb."
      },
      {
        "name": "Psilotum nudum var. fallicinum",
        "authorship": "(Domin) Domin"
      },
      {
        "name": "Psilotum nudum var. molesworthiae",
        "authorship": "Iranzo, Prada & Salvo"
      },
      {
        "name": "Psilotum nudum var. normale",
        "authorship": "Domin"
      },
      {
        "name": "Psilotum triquetrum",
        "authorship": "Sw."
      },
      {
        "name": "Psilotum triquetrum f. insulare",
        "authorship": "Brade"
      },
      {
        "name": "Psilotum triquetrum var. fallacinum",
        "authorship": "Domin"
      },
      {
        "name": "Psilotum triquetrum var. gracile",
        "authorship": "Grev. & Hook."
      },
      {
        "name": "Psilotum triquetrum var. latum",
        "authorship": "Desv."
      },
      {
        "name": "Tristeca nuda",
        "authorship": "(L.) P.Beauv. ex J.St.-Hil."
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        "code": "SAU",
        "name": "Saudi Arabia",
        "continent": "ASIA-TEMPERATE",
        "region": "Arabian Peninsula"
      },
      {
        "code": "TAI",
        "name": "Taiwan",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "YEM",
        "name": "Yemen",
        "continent": "ASIA-TEMPERATE",
        "region": "Arabian Peninsula"
      },
      {
        "code": "AND",
        "name": "Andaman Is.",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "ASS",
        "name": "Assam",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "BAN",
        "name": "Bangladesh",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "XMS",
        "name": "Christmas I.",
        "continent": "ASIA-TROPICAL",
        "region": "Malesia"
      },
      {
        "code": "EHM",
        "name": "East Himalaya",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "IND",
        "name": "India",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "LAO",
        "name": "Laos",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "LSI",
        "name": "Lesser Sunda Is.",
        "continent": "ASIA-TROPICAL",
        "region": "Malesia"
      },
      {
        "code": "MLY",
        "name": "Malaya",
        "continent": "ASIA-TROPICAL",
        "region": "Malesia"
      },
      {
        "code": "MOL",
        "name": "Maluku",
        "continent": "ASIA-TROPICAL",
        "region": "Malesia"
      },
      {
        "code": "MYA",
        "name": "Myanmar",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "NEP",
        "name": "Nepal",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "NWG",
        "name": "New Guinea",
        "continent": "ASIA-TROPICAL",
        "region": "Papuasia"
      },
      {
        "code": "NCB",
        "name": "Nicobar Is.",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "PAK",
        "name": "Pakistan",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "PHI",
        "name": "Philippines",
        "continent": "ASIA-TROPICAL",
        "region": "Malesia"
      },
      {
        "code": "SOL",
        "name": "Solomon Is.",
        "continent": "ASIA-TROPICAL",
        "region": "Papuasia"
      },
      {
        "code": "SCS",
        "name": "South China Sea",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "SRL",
        "name": "Sri Lanka",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "SUL",
        "name": "Sulawesi",
        "continent": "ASIA-TROPICAL",
        "region": "Malesia"
      },
      {
        "code": "THA",
        "name": "Thailand",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "VIE",
        "name": "Vietnam",
        "continent": "ASIA-TROPICAL",
        "region": "Indo-China"
      },
      {
        "code": "WHM",
        "name": "West Himalaya",
        "continent": "ASIA-TROPICAL",
        "region": "Indian Subcontinent"
      },
      {
        "code": "KER",
        "name": "Kermadec Is.",
        "continent": "AUSTRALASIA",
        "region": "New Zealand"
      },
      {
        "code": "NSW",
        "name": "New South Wales",
        "continent": "AUSTRALASIA",
        "region": "Australia"
      },
      {
        "code": "NZN",
        "name": "New Zealand North",
        "continent": "AUSTRALASIA",
        "region": "New Zealand"
      },
      {
        "code": "NFK",
        "name": "Norfolk Is.",
        "continent": "AUSTRALASIA",
        "region": "Australia"
      },
      {
        "code": "NTA",
        "name": "Northern Territory",
        "continent": "AUSTRALASIA",
        "region": "Australia"
      },
      {
        "code": "QLD",
        "name": "Queensland",
        "continent": "AUSTRALASIA",
        "region": "Australia"
      },
      {
        "code": "VIC",
        "name": "Victoria",
        "continent": "AUSTRALASIA",
        "region": "Australia"
      },
      {
        "code": "WAU",
        "name": "Western Australia",
        "continent": "AUSTRALASIA",
        "region": "Australia"
      },
      {
        "code": "SPA",
        "name": "Spain",
        "continent": "EUROPE",
        "region": "Southwestern Europe"
      },
      {
        "code": "ALA",
        "name": "Alabama",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "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": "FLA",
        "name": "Florida",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "GEO",
        "name": "Georgia",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "LOU",
        "name": "Louisiana",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "MXI",
        "name": "Mexican Pacific Is.",
        "continent": "NORTHERN AMERICA",
        "region": "Mexico"
      },
      {
        "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": "MSI",
        "name": "Mississippi",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "NCA",
        "name": "North Carolina",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "SCA",
        "name": "South Carolina",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "TEX",
        "name": "Texas",
        "continent": "NORTHERN AMERICA",
        "region": "South-Central U.S.A."
      },
      {
        "code": "CRL",
        "name": "Caroline Is.",
        "continent": "PACIFIC",
        "region": "Northwestern Pacific"
      },
      {
        "code": "COO",
        "name": "Cook Is.",
        "continent": "PACIFIC",
        "region": "South-Central Pacific"
      },
      {
        "code": "FIJ",
        "name": "Fiji",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "GIL",
        "name": "Gilbert Is.",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "HAW",
        "name": "Hawaii",
        "continent": "PACIFIC",
        "region": "North-Central Pacific"
      },
      {
        "code": "LIN",
        "name": "Line Is.",
        "continent": "PACIFIC",
        "region": "South-Central Pacific"
      },
      {
        "code": "MRN",
        "name": "Marianas",
        "continent": "PACIFIC",
        "region": "Northwestern Pacific"
      },
      {
        "code": "MRQ",
        "name": "Marquesas",
        "continent": "PACIFIC",
        "region": "South-Central Pacific"
      },
      {
        "code": "MRS",
        "name": "Marshall Is.",
        "continent": "PACIFIC",
        "region": "Northwestern Pacific"
      },
      {
        "code": "NRU",
        "name": "Nauru",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "NWC",
        "name": "New Caledonia",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "NUE",
        "name": "Niue",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "PIT",
        "name": "Pitcairn Is.",
        "continent": "PACIFIC",
        "region": "South-Central Pacific"
      },
      {
        "code": "SAM",
        "name": "Samoa",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "SCZ",
        "name": "Santa Cruz Is.",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "SCI",
        "name": "Society Is.",
        "continent": "PACIFIC",
        "region": "South-Central Pacific"
      },
      {
        "code": "TOK",
        "name": "Tokelau-Manihiki",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "TON",
        "name": "Tonga",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "TUA",
        "name": "Tuamotu",
        "continent": "PACIFIC",
        "region": "South-Central Pacific"
      },
      {
        "code": "TUB",
        "name": "Tubuai Is.",
        "continent": "PACIFIC",
        "region": "South-Central Pacific"
      },
      {
        "code": "TUV",
        "name": "Tuvalu",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "VAN",
        "name": "Vanuatu",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "WAL",
        "name": "Wallis-Futuna Is.",
        "continent": "PACIFIC",
        "region": "Southwestern Pacific"
      },
      {
        "code": "AGE",
        "name": "Argentina Northeast",
        "continent": "SOUTHERN AMERICA",
        "region": "Southern South America"
      },
      {
        "code": "AGW",
        "name": "Argentina Northwest",
        "continent": "SOUTHERN AMERICA",
        "region": "Southern South America"
      },
      {
        "code": "BAH",
        "name": "Bahamas",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "BLZ",
        "name": "Belize",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "BER",
        "name": "Bermuda",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "BOL",
        "name": "Bolivia",
        "continent": "SOUTHERN AMERICA",
        "region": "Western South America"
      },
      {
        "code": "BZN",
        "name": "Brazil North",
        "continent": "SOUTHERN AMERICA",
        "region": "Brazil"
      },
      {
        "code": "BZE",
        "name": "Brazil Northeast",
        "continent": "SOUTHERN AMERICA",
        "region": "Brazil"
      },
      {
        "code": "BZS",
        "name": "Brazil South",
        "continent": "SOUTHERN AMERICA",
        "region": "Brazil"
      },
      {
        "code": "BZL",
        "name": "Brazil Southeast",
        "continent": "SOUTHERN AMERICA",
        "region": "Brazil"
      },
      {
        "code": "BZC",
        "name": "Brazil West-Central",
        "continent": "SOUTHERN AMERICA",
        "region": "Brazil"
      },
      {
        "code": "CAY",
        "name": "Cayman Is.",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "CPI",
        "name": "Central American Pacific Is.",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "CLM",
        "name": "Colombia",
        "continent": "SOUTHERN AMERICA",
        "region": "Western South America"
      },
      {
        "code": "COS",
        "name": "Costa Rica",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "CUB",
        "name": "Cuba",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "DOM",
        "name": "Dominican Republic",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "ECU",
        "name": "Ecuador",
        "continent": "SOUTHERN AMERICA",
        "region": "Western South America"
      },
      {
        "code": "ELS",
        "name": "El Salvador",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "FRG",
        "name": "French Guiana",
        "continent": "SOUTHERN AMERICA",
        "region": "Northern South America"
      },
      {
        "code": "GAL",
        "name": "Galápagos",
        "continent": "SOUTHERN AMERICA",
        "region": "Western South 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": "JAM",
        "name": "Jamaica",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "LEE",
        "name": "Leeward Is.",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "NIC",
        "name": "Nicaragua",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "PAN",
        "name": "Panamá",
        "continent": "SOUTHERN AMERICA",
        "region": "Central America"
      },
      {
        "code": "PAR",
        "name": "Paraguay",
        "continent": "SOUTHERN AMERICA",
        "region": "Southern South America"
      },
      {
        "code": "PER",
        "name": "Peru",
        "continent": "SOUTHERN AMERICA",
        "region": "Western South America"
      },
      {
        "code": "PUE",
        "name": "Puerto Rico",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "URU",
        "name": "Uruguay",
        "continent": "SOUTHERN AMERICA",
        "region": "Southern South America"
      },
      {
        "code": "VEN",
        "name": "Venezuela",
        "continent": "SOUTHERN AMERICA",
        "region": "Northern South America"
      },
      {
        "code": "VNA",
        "name": "Venezuelan Antilles",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      },
      {
        "code": "WIN",
        "name": "Windward Is.",
        "continent": "SOUTHERN AMERICA",
        "region": "Caribbean"
      }
    ]
  },
  "phenology": null,
  "traits": {
    "lifeform": "perennial or epiphyte",
    "climate": "wet tropical"
  },
  "climate_envelope": {
    "mean_annual_temp_c": {
      "p5": 15.9,
      "median": 22.6,
      "p95": 24.6
    },
    "temp_seasonality": {
      "p5": 108.7,
      "median": 370.9,
      "p95": 485.7
    },
    "max_temp_warmest_month_c": {
      "p5": 21.8,
      "median": 30.3,
      "p95": 31.7
    },
    "min_temp_coldest_month_c": {
      "p5": 7.4,
      "median": 12.8,
      "p95": 20.7
    },
    "annual_precip_mm": {
      "p5": 859.5,
      "median": 1777.9,
      "p95": 3417.2
    },
    "precip_seasonality": {
      "p5": 20.6,
      "median": 38.3,
      "p95": 94.1
    },
    "precip_driest_quarter_mm": {
      "p5": 58.2,
      "median": 219.1,
      "p95": 605.2
    },
    "n": 2035,
    "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 2035 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": "not_sourced",
      "reason": "No dated flowering annotations found for this taxon."
    }
  ],
  "license": {
    "data": "CC BY 4.0",
    "attribution": "BotanAI, https://botanai.app/plants/psilotum-nudum/",
    "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)."
  }
}