{
  "$schema": "https://botanai.app/schema/genus-v1.json",
  "schema_version": 1,
  "url": "https://botanai.app/genus/ulmus/",
  "id": {
    "slug": "ulmus"
  },
  "genus": "Ulmus",
  "family": "Ulmaceae",
  "family_url": "https://botanai.app/family/ulmaceae/",
  "accepted_species": 44,
  "documented_species": 16,
  "species": [
    {
      "scientific_name": "Ulmus alata",
      "authorship": "Michx.",
      "wfo": "wfo-0001143138",
      "slug": "ulmus-alata",
      "photographs_found": 675,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-alata/"
    },
    {
      "scientific_name": "Ulmus americana",
      "authorship": "L.",
      "wfo": "wfo-0000417596",
      "slug": "ulmus-americana",
      "photographs_found": 2303,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-americana/"
    },
    {
      "scientific_name": "Ulmus bergmanniana",
      "authorship": "C.K.Schneid.",
      "wfo": "wfo-0001230831",
      "slug": "ulmus-bergmanniana",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus boissieri",
      "authorship": "Grudz.",
      "wfo": "wfo-0000417544",
      "slug": "ulmus-boissieri",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus castaneifolia",
      "authorship": "Hemsl.",
      "wfo": "wfo-0001228793",
      "slug": "ulmus-castaneifolia",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus changii",
      "authorship": "W.C.Cheng",
      "wfo": "wfo-0001230832",
      "slug": "ulmus-changii",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus chenmoui",
      "authorship": "W.C.Cheng",
      "wfo": "wfo-0001244088",
      "slug": "ulmus-chenmoui",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus chumlia",
      "authorship": "Melville & Heybroek",
      "wfo": "wfo-0001244107",
      "slug": "ulmus-chumlia",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus crassifolia",
      "authorship": "Nutt.",
      "wfo": "wfo-0001143152",
      "slug": "ulmus-crassifolia",
      "photographs_found": 1580,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-crassifolia/"
    },
    {
      "scientific_name": "Ulmus davidiana",
      "authorship": "Planch.",
      "wfo": "wfo-0001143139",
      "slug": "ulmus-davidiana",
      "photographs_found": 4,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-davidiana/"
    },
    {
      "scientific_name": "Ulmus elliptica",
      "authorship": "K.Koch",
      "wfo": "wfo-0000416731",
      "slug": "ulmus-elliptica",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus elongata",
      "authorship": "L.K.Fu & C.S.Ding",
      "wfo": "wfo-0001244064",
      "slug": "ulmus-elongata",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus gaussenii",
      "authorship": "Cheng",
      "wfo": "wfo-0001244065",
      "slug": "ulmus-gaussenii",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus glabra",
      "authorship": "Huds.",
      "wfo": "wfo-0000416717",
      "slug": "ulmus-glabra",
      "photographs_found": 816,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-glabra/"
    },
    {
      "scientific_name": "Ulmus glaucescens",
      "authorship": "Franch.",
      "wfo": "wfo-0001143142",
      "slug": "ulmus-glaucescens",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus harbinensis",
      "authorship": "S.Q.Nie & G.Q.Huang",
      "wfo": "wfo-0001244085",
      "slug": "ulmus-harbinensis",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus ismaelis",
      "authorship": "Todzia & Panero",
      "wfo": "wfo-0001244613",
      "slug": "ulmus-ismaelis",
      "photographs_found": 10,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-ismaelis/"
    },
    {
      "scientific_name": "Ulmus kunmingensis",
      "authorship": "W.C.Cheng",
      "wfo": "wfo-0001244079",
      "slug": "ulmus-kunmingensis",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus laciniata",
      "authorship": "(Herder) Mayr ex Schwapp.",
      "wfo": "wfo-0001143217",
      "slug": "ulmus-laciniata",
      "photographs_found": 37,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-laciniata/"
    },
    {
      "scientific_name": "Ulmus laevis",
      "authorship": "Pall.",
      "wfo": "wfo-0000416715",
      "slug": "ulmus-laevis",
      "photographs_found": 550,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-laevis/"
    },
    {
      "scientific_name": "Ulmus lamellosa",
      "authorship": "Z.Wang & S.L.Chang",
      "wfo": "wfo-0001244074",
      "slug": "ulmus-lamellosa",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus lanceifolia",
      "authorship": "Roxb.",
      "wfo": "wfo-0001249752",
      "slug": "ulmus-lanceifolia",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus lesueurii",
      "authorship": "Standl.",
      "wfo": "wfo-0000416688",
      "slug": "ulmus-lesueurii",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus macrocarpa",
      "authorship": "Hance",
      "wfo": "wfo-0001143218",
      "slug": "ulmus-macrocarpa",
      "photographs_found": 1,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus mexicana",
      "authorship": "(Liebm.) Planch.",
      "wfo": "wfo-0000416676",
      "slug": "ulmus-mexicana",
      "photographs_found": 23,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-mexicana/"
    },
    {
      "scientific_name": "Ulmus mianzhuensis",
      "authorship": "T.P.Yi & Lin Yang",
      "wfo": "wfo-0001279358",
      "slug": "ulmus-mianzhuensis",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus microcarpa",
      "authorship": "L.K.Fu",
      "wfo": "wfo-0001244098",
      "slug": "ulmus-microcarpa",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus minor",
      "authorship": "Mill.",
      "wfo": "wfo-0000416674",
      "slug": "ulmus-minor",
      "photographs_found": 648,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-minor/"
    },
    {
      "scientific_name": "Ulmus parvifolia",
      "authorship": "Jacq.",
      "wfo": "wfo-0001143143",
      "slug": "ulmus-parvifolia",
      "photographs_found": 305,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-parvifolia/"
    },
    {
      "scientific_name": "Ulmus prunifolia",
      "authorship": "W.C.Cheng & L.K.Fu",
      "wfo": "wfo-0001244097",
      "slug": "ulmus-prunifolia",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus pseudopropinqua",
      "authorship": "Z.Wang & Li",
      "wfo": "wfo-0001244086",
      "slug": "ulmus-pseudopropinqua",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus pumila",
      "authorship": "L.",
      "wfo": "wfo-0000416815",
      "slug": "ulmus-pumila",
      "photographs_found": 1146,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-pumila/"
    },
    {
      "scientific_name": "Ulmus rubra",
      "authorship": "Muhl.",
      "wfo": "wfo-0000416800",
      "slug": "ulmus-rubra",
      "photographs_found": 448,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-rubra/"
    },
    {
      "scientific_name": "Ulmus serotina",
      "authorship": "Sarg.",
      "wfo": "wfo-0001143144",
      "slug": "ulmus-serotina",
      "photographs_found": 4,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-serotina/"
    },
    {
      "scientific_name": "Ulmus szechuanica",
      "authorship": "Fang",
      "wfo": "wfo-0001244105",
      "slug": "ulmus-szechuanica",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus thomasii",
      "authorship": "Sarg.",
      "wfo": "wfo-0000416829",
      "slug": "ulmus-thomasii",
      "photographs_found": 52,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-thomasii/"
    },
    {
      "scientific_name": "Ulmus uyematsui",
      "authorship": "Hayata",
      "wfo": "wfo-0000416776",
      "slug": "ulmus-uyematsui",
      "photographs_found": 19,
      "documented": true,
      "url": "https://botanai.app/plants/ulmus-uyematsui/"
    },
    {
      "scientific_name": "Ulmus villosa",
      "authorship": "Brandis ex Gamble",
      "wfo": "wfo-0001284764",
      "slug": "ulmus-villosa",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus wallichiana",
      "authorship": "Planch.",
      "wfo": "wfo-0001284765",
      "slug": "ulmus-wallichiana",
      "photographs_found": 1,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus × androssowii",
      "authorship": "Litv.",
      "wfo": "wfo-0000417552",
      "slug": "ulmus-androssowii",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus × brandisiana",
      "authorship": "C.K.Schneid.",
      "wfo": "wfo-0000417543",
      "slug": "ulmus-brandisiana",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus × hollandica",
      "authorship": "Mill.",
      "wfo": "wfo-0000416745",
      "slug": "ulmus-hollandica",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus × intermedia",
      "authorship": "Elowsky",
      "wfo": "wfo-1200063760",
      "slug": "ulmus-intermedia",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ulmus × mesocarpa",
      "authorship": "M.Kim & S.Lee",
      "wfo": "wfo-0000416677",
      "slug": "ulmus-mesocarpa",
      "photographs_found": 0,
      "documented": false,
      "url": null
    }
  ],
  "evidence_gate": {
    "rule": "at least 3 photographs licensed for commercial use",
    "rationale": "This site is commercial, so it can only publish photographs licensed for commercial use. Roughly three quarters of the photographs on iNaturalist are CC BY-NC, which excludes them. A species below the gate is listed here rather than given a page of its own."
  },
  "sources": [
    {
      "name": "World Flora Online Plant List",
      "note": "accepted names, authorities, classification",
      "license": "CC0",
      "url": "https://www.worldfloraonline.org/",
      "retrieved": "2026-07-12"
    }
  ],
  "license": {
    "data": "CC BY 4.0",
    "attribution": "BotanAI, https://botanai.app/genus/ulmus/"
  }
}