{
  "$schema": "https://botanai.app/schema/genus-v1.json",
  "schema_version": 1,
  "url": "https://botanai.app/genus/silphium/",
  "id": {
    "slug": "silphium"
  },
  "genus": "Silphium",
  "family": "Asteraceae",
  "family_url": "https://botanai.app/family/asteraceae/",
  "accepted_species": 15,
  "documented_species": 11,
  "species": [
    {
      "scientific_name": "Silphium albiflorum",
      "authorship": "A.Gray",
      "wfo": "wfo-0000132596",
      "slug": "silphium-albiflorum",
      "photographs_found": 190,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-albiflorum/"
    },
    {
      "scientific_name": "Silphium asteriscus",
      "authorship": "L.",
      "wfo": "wfo-0000011834",
      "slug": "silphium-asteriscus",
      "photographs_found": 476,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-asteriscus/"
    },
    {
      "scientific_name": "Silphium brachiatum",
      "authorship": "Gatt.",
      "wfo": "wfo-0000077252",
      "slug": "silphium-brachiatum",
      "photographs_found": 7,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-brachiatum/"
    },
    {
      "scientific_name": "Silphium compositum",
      "authorship": "Michx.",
      "wfo": "wfo-0000066443",
      "slug": "silphium-compositum",
      "photographs_found": 323,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-compositum/"
    },
    {
      "scientific_name": "Silphium integrifolium",
      "authorship": "Michx.",
      "wfo": "wfo-0000004985",
      "slug": "silphium-integrifolium",
      "photographs_found": 433,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-integrifolium/"
    },
    {
      "scientific_name": "Silphium laciniatum",
      "authorship": "L.",
      "wfo": "wfo-0000117950",
      "slug": "silphium-laciniatum",
      "photographs_found": 762,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-laciniatum/"
    },
    {
      "scientific_name": "Silphium laeve",
      "authorship": "Hook.",
      "wfo": "wfo-0000094556",
      "slug": "silphium-laeve",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Silphium mohrii",
      "authorship": "Small",
      "wfo": "wfo-0000001020",
      "slug": "silphium-mohrii",
      "photographs_found": 18,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-mohrii/"
    },
    {
      "scientific_name": "Silphium perfoliatum",
      "authorship": "L.",
      "wfo": "wfo-0000086134",
      "slug": "silphium-perfoliatum",
      "photographs_found": 923,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-perfoliatum/"
    },
    {
      "scientific_name": "Silphium perplexum",
      "authorship": "J.R.Allison",
      "wfo": "wfo-0000012972",
      "slug": "silphium-perplexum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Silphium radula",
      "authorship": "Nutt.",
      "wfo": "wfo-0000019451",
      "slug": "silphium-radula",
      "photographs_found": 192,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-radula/"
    },
    {
      "scientific_name": "Silphium terebinthinaceum",
      "authorship": "Jacq.",
      "wfo": "wfo-0000079762",
      "slug": "silphium-terebinthinaceum",
      "photographs_found": 512,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-terebinthinaceum/"
    },
    {
      "scientific_name": "Silphium ternatum",
      "authorship": "Sessé & Moc.",
      "wfo": "wfo-0000074586",
      "slug": "silphium-ternatum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Silphium trifoliatum",
      "authorship": "L.",
      "wfo": "wfo-0000075458",
      "slug": "silphium-trifoliatum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Silphium wasiotense",
      "authorship": "Medley",
      "wfo": "wfo-0000037771",
      "slug": "silphium-wasiotense",
      "photographs_found": 15,
      "documented": true,
      "url": "https://botanai.app/plants/silphium-wasiotense/"
    }
  ],
  "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/silphium/"
  }
}