Global InformationTrillium petiolatum information
| Trillium petiolatum | |
|---|---|
| |
Conservation status
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 Apparently Secure (NatureServe)[1] | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Liliales |
| Family: | Melanthiaceae |
| Genus: | Trillium |
| Species: | T. petiolatum
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| Binomial name | |
| Trillium petiolatum Pursh[2]
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| Synonyms[3] | |
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Trillium petiolatum, the Idaho trillium,[4] also known as the long-petioled trillium or round-leaved trillium,[5] is a species of flowering plant in the family Melanthiaceae. It is native to the northwestern United States, in Idaho, Oregon, and Washington. Its type specimen was gathered by Meriwether Lewis during the return trip of the Lewis and Clark Expedition in 1806.
- ^ Cite error: The named reference
NatureServewas invoked but never defined (see the help page). - ^ Cite error: The named reference
IPNI:317430-2was invoked but never defined (see the help page). - ^ "Trillium petiolatum". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew. Retrieved 5 September 2019.
- ^ USDA, NRCS (n.d.). "Trillium". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 December 2015.
- ^ Case Jr., Frederick W. (2002). "Trillium petiolatum". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 26. New York and Oxford: Oxford University Press. Retrieved July 16, 2019 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.