{
  "$schema": "https://botanai.app/schema/genus-v1.json",
  "schema_version": 1,
  "url": "https://botanai.app/genus/trillium/",
  "id": {
    "slug": "trillium"
  },
  "genus": "Trillium",
  "family": "Melanthiaceae",
  "family_url": "https://botanai.app/family/melanthiaceae/",
  "accepted_species": 56,
  "documented_species": 42,
  "species": [
    {
      "scientific_name": "Trillium albidum",
      "authorship": "J.D.Freeman",
      "wfo": "wfo-0000750240",
      "slug": "trillium-albidum",
      "photographs_found": 255,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-albidum/"
    },
    {
      "scientific_name": "Trillium angustipetalum",
      "authorship": "(Torr.) J.D.Freeman",
      "wfo": "wfo-0000750367",
      "slug": "trillium-angustipetalum",
      "photographs_found": 72,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-angustipetalum/"
    },
    {
      "scientific_name": "Trillium apetalon",
      "authorship": "Makino",
      "wfo": "wfo-0000750362",
      "slug": "trillium-apetalon",
      "photographs_found": 15,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-apetalon/"
    },
    {
      "scientific_name": "Trillium camschatcense",
      "authorship": "Ker Gawl.",
      "wfo": "wfo-0000750333",
      "slug": "trillium-camschatcense",
      "photographs_found": 9,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-camschatcense/"
    },
    {
      "scientific_name": "Trillium catesbaei",
      "authorship": "Elliott",
      "wfo": "wfo-0000750330",
      "slug": "trillium-catesbaei",
      "photographs_found": 407,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-catesbaei/"
    },
    {
      "scientific_name": "Trillium cernuum",
      "authorship": "L.",
      "wfo": "wfo-0000750770",
      "slug": "trillium-cernuum",
      "photographs_found": 748,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-cernuum/"
    },
    {
      "scientific_name": "Trillium channellii",
      "authorship": "Fukuda, J.D.Freeman & Itou",
      "wfo": "wfo-0000747321",
      "slug": "trillium-channellii",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium chloropetalum",
      "authorship": "(Torr.) Howell",
      "wfo": "wfo-0000750189",
      "slug": "trillium-chloropetalum",
      "photographs_found": 498,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-chloropetalum/"
    },
    {
      "scientific_name": "Trillium crassifolium",
      "authorship": "Piper",
      "wfo": "wfo-0000751086",
      "slug": "trillium-crassifolium",
      "photographs_found": 13,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-crassifolium/"
    },
    {
      "scientific_name": "Trillium cuneatum",
      "authorship": "Raf.",
      "wfo": "wfo-0000751085",
      "slug": "trillium-cuneatum",
      "photographs_found": 699,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-cuneatum/"
    },
    {
      "scientific_name": "Trillium decipiens",
      "authorship": "J.D.Freeman",
      "wfo": "wfo-0000751083",
      "slug": "trillium-decipiens",
      "photographs_found": 15,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-decipiens/"
    },
    {
      "scientific_name": "Trillium decumbens",
      "authorship": "Harb.",
      "wfo": "wfo-0000751066",
      "slug": "trillium-decumbens",
      "photographs_found": 52,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-decumbens/"
    },
    {
      "scientific_name": "Trillium delicatum",
      "authorship": "Floden & E.E.Schill.",
      "wfo": "wfo-1000034853",
      "slug": "trillium-delicatum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium discolor",
      "authorship": "Hook.",
      "wfo": "wfo-0000750961",
      "slug": "trillium-discolor",
      "photographs_found": 41,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-discolor/"
    },
    {
      "scientific_name": "Trillium erectum",
      "authorship": "L.",
      "wfo": "wfo-0000751087",
      "slug": "trillium-erectum",
      "photographs_found": 3709,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-erectum/"
    },
    {
      "scientific_name": "Trillium flexipes",
      "authorship": "Raf.",
      "wfo": "wfo-0000750992",
      "slug": "trillium-flexipes",
      "photographs_found": 368,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-flexipes/"
    },
    {
      "scientific_name": "Trillium foetidissimum",
      "authorship": "J.D.Freeman",
      "wfo": "wfo-0000751057",
      "slug": "trillium-foetidissimum",
      "photographs_found": 117,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-foetidissimum/"
    },
    {
      "scientific_name": "Trillium georgianum",
      "authorship": "S.B.Farmer",
      "wfo": "wfo-0001348016",
      "slug": "trillium-georgianum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium govanianum",
      "authorship": "Wall. ex D.Don",
      "wfo": "wfo-0000751103",
      "slug": "trillium-govanianum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium gracile",
      "authorship": "J.D.Freeman",
      "wfo": "wfo-0000751102",
      "slug": "trillium-gracile",
      "photographs_found": 30,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-gracile/"
    },
    {
      "scientific_name": "Trillium grandiflorum",
      "authorship": "(Michx.) Salisb.",
      "wfo": "wfo-0000751101",
      "slug": "trillium-grandiflorum",
      "photographs_found": 3141,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-grandiflorum/"
    },
    {
      "scientific_name": "Trillium hagae",
      "authorship": "Miyabe & Tatew.",
      "wfo": "wfo-0000751098",
      "slug": "trillium-hagae",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium hibbersonii",
      "authorship": "(T.M.C.Taylor & Szczaw.) D.O'Neill & S.B.Farmer",
      "wfo": "wfo-1000025092",
      "slug": "trillium-hibbersonii",
      "photographs_found": 1,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium kurabayashii",
      "authorship": "J.D.Freeman",
      "wfo": "wfo-0000751093",
      "slug": "trillium-kurabayashii",
      "photographs_found": 15,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-kurabayashii/"
    },
    {
      "scientific_name": "Trillium lancifolium",
      "authorship": "Raf.",
      "wfo": "wfo-0000751091",
      "slug": "trillium-lancifolium",
      "photographs_found": 29,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-lancifolium/"
    },
    {
      "scientific_name": "Trillium ludovicianum",
      "authorship": "Harb.",
      "wfo": "wfo-0000750876",
      "slug": "trillium-ludovicianum",
      "photographs_found": 18,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-ludovicianum/"
    },
    {
      "scientific_name": "Trillium luteum",
      "authorship": "(Muhl.) Harb.",
      "wfo": "wfo-0000750779",
      "slug": "trillium-luteum",
      "photographs_found": 171,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-luteum/"
    },
    {
      "scientific_name": "Trillium maculatum",
      "authorship": "Raf.",
      "wfo": "wfo-0000751003",
      "slug": "trillium-maculatum",
      "photographs_found": 84,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-maculatum/"
    },
    {
      "scientific_name": "Trillium nivale",
      "authorship": "Riddell",
      "wfo": "wfo-0000750711",
      "slug": "trillium-nivale",
      "photographs_found": 188,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-nivale/"
    },
    {
      "scientific_name": "Trillium oostingii",
      "authorship": "Gaddy",
      "wfo": "wfo-0000914681",
      "slug": "trillium-oostingii",
      "photographs_found": 12,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-oostingii/"
    },
    {
      "scientific_name": "Trillium ovatum",
      "authorship": "Pursh",
      "wfo": "wfo-0000750666",
      "slug": "trillium-ovatum",
      "photographs_found": 2404,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-ovatum/"
    },
    {
      "scientific_name": "Trillium persistens",
      "authorship": "W.H.Duncan",
      "wfo": "wfo-0000750856",
      "slug": "trillium-persistens",
      "photographs_found": 7,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-persistens/"
    },
    {
      "scientific_name": "Trillium petiolatum",
      "authorship": "Pursh",
      "wfo": "wfo-0000750686",
      "slug": "trillium-petiolatum",
      "photographs_found": 17,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-petiolatum/"
    },
    {
      "scientific_name": "Trillium pusillum",
      "authorship": "Michx.",
      "wfo": "wfo-0000750927",
      "slug": "trillium-pusillum",
      "photographs_found": 15,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-pusillum/"
    },
    {
      "scientific_name": "Trillium recurvatum",
      "authorship": "L.C.Beck",
      "wfo": "wfo-0000750906",
      "slug": "trillium-recurvatum",
      "photographs_found": 831,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-recurvatum/"
    },
    {
      "scientific_name": "Trillium reliquum",
      "authorship": "J.D.Freeman",
      "wfo": "wfo-0000750896",
      "slug": "trillium-reliquum",
      "photographs_found": 79,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-reliquum/"
    },
    {
      "scientific_name": "Trillium rugelii",
      "authorship": "Rendle",
      "wfo": "wfo-0000750834",
      "slug": "trillium-rugelii",
      "photographs_found": 116,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-rugelii/"
    },
    {
      "scientific_name": "Trillium scouleri",
      "authorship": "Rydb. ex Gleason",
      "wfo": "wfo-0000750823",
      "slug": "trillium-scouleri",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium sessile",
      "authorship": "L.",
      "wfo": "wfo-0000750817",
      "slug": "trillium-sessile",
      "photographs_found": 592,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-sessile/"
    },
    {
      "scientific_name": "Trillium simile",
      "authorship": "Gleason",
      "wfo": "wfo-0000750807",
      "slug": "trillium-simile",
      "photographs_found": 33,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-simile/"
    },
    {
      "scientific_name": "Trillium smallii",
      "authorship": "Maxim.",
      "wfo": "wfo-0000750803",
      "slug": "trillium-smallii",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium stamineum",
      "authorship": "Harb.",
      "wfo": "wfo-0000749404",
      "slug": "trillium-stamineum",
      "photographs_found": 41,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-stamineum/"
    },
    {
      "scientific_name": "Trillium sulcatum",
      "authorship": "T.S.Patrick",
      "wfo": "wfo-0000745456",
      "slug": "trillium-sulcatum",
      "photographs_found": 44,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-sulcatum/"
    },
    {
      "scientific_name": "Trillium taiwanense",
      "authorship": "S.S.Ying",
      "wfo": "wfo-0000745566",
      "slug": "trillium-taiwanense",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium tennesseense",
      "authorship": "E.E.Schill. & Floden",
      "wfo": "wfo-0001329642",
      "slug": "trillium-tennesseense",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium texanum",
      "authorship": "Buckley",
      "wfo": "wfo-0000750174",
      "slug": "trillium-texanum",
      "photographs_found": 11,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-texanum/"
    },
    {
      "scientific_name": "Trillium tschonoskii",
      "authorship": "Maxim.",
      "wfo": "wfo-0000750326",
      "slug": "trillium-tschonoskii",
      "photographs_found": 17,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-tschonoskii/"
    },
    {
      "scientific_name": "Trillium underwoodii",
      "authorship": "Small",
      "wfo": "wfo-0000749542",
      "slug": "trillium-underwoodii",
      "photographs_found": 57,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-underwoodii/"
    },
    {
      "scientific_name": "Trillium undulatum",
      "authorship": "Willd.",
      "wfo": "wfo-0000749535",
      "slug": "trillium-undulatum",
      "photographs_found": 2387,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-undulatum/"
    },
    {
      "scientific_name": "Trillium vaseyi",
      "authorship": "Harb.",
      "wfo": "wfo-0000749522",
      "slug": "trillium-vaseyi",
      "photographs_found": 110,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-vaseyi/"
    },
    {
      "scientific_name": "Trillium viride",
      "authorship": "L.C.Beck",
      "wfo": "wfo-0000749518",
      "slug": "trillium-viride",
      "photographs_found": 10,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-viride/"
    },
    {
      "scientific_name": "Trillium viridescens",
      "authorship": "Nutt.",
      "wfo": "wfo-0000749514",
      "slug": "trillium-viridescens",
      "photographs_found": 37,
      "documented": true,
      "url": "https://botanai.app/plants/trillium-viridescens/"
    },
    {
      "scientific_name": "Trillium × crockerianum",
      "authorship": "Halda",
      "wfo": "wfo-0000753506",
      "slug": "trillium-crockerianum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium × komarovii",
      "authorship": "H.Nakai & Koji Ito",
      "wfo": "wfo-0000746944",
      "slug": "trillium-komarovii",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium × miyabeanum",
      "authorship": "Tatew. ex J.Samej.",
      "wfo": "wfo-0000750739",
      "slug": "trillium-miyabeanum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Trillium × yezoense",
      "authorship": "Tatew. ex J.Samej.",
      "wfo": "wfo-0000749511",
      "slug": "trillium-yezoense",
      "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/trillium/"
  }
}