⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

The genus Trillium is in the family Melanthiaceae in the major group Angiosperms (Flowering plants).

Statistics are at the end of the page.

Species in Trillium

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See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source
Trillium albidum J.D.Freeman	Accepted		WCSP
Trillium amabile Miyabe & Tatew.	Accepted		WCSP
Trillium angustipetalum (Torr.) J.D.Freeman	Accepted		WCSP
Trillium camschatcense Ker Gawl.	Accepted		WCSP
Trillium catesbaei Elliott	Accepted		WCSP
Trillium cernuum L.	Accepted		WCSP
Trillium channellii Fukuda, J.D.Freeman & Itou	Accepted		WCSP
Trillium chloropetalum (Torr.) Howell	Accepted		WCSP
Trillium × crockerianum Halda	Accepted		WCSP
Trillium cuneatum Raf.	Accepted		WCSP
Trillium decipiens J.D.Freeman	Accepted		WCSP
Trillium decumbens Harb.	Accepted		WCSP
Trillium discolor Hook.	Accepted		WCSP
Trillium erectum L.	Accepted		WCSP
Trillium flexipes Raf.	Accepted		WCSP
Trillium foetidissimum J.D.Freeman	Accepted		WCSP
Trillium govanianum Wall. ex D.Don	Accepted		WCSP
Trillium gracile J.D.Freeman	Accepted		WCSP
Trillium grandiflorum (Michx.) Salisb.	Accepted		WCSP
Trillium × hagae Miyabe & Tatew.	Accepted		WCSP
Trillium × komarovii H.Nakai & Koji Ito	Accepted		WCSP
Trillium kurabayashii J.D.Freeman	Accepted		WCSP
Trillium lancifolium Raf.	Accepted		WCSP
Trillium ludovicianum Harb.	Accepted		WCSP
Trillium luteum (Muhl.) Harb.	Accepted		WCSP
Trillium maculatum Raf.	Accepted		WCSP
Trillium × miyabeanum Tatew. ex J.Samej.	Accepted		WCSP
Trillium nivale Riddell	Accepted		WCSP
Trillium ovatum Pursh	Accepted		WCSP
Trillium parviflorum V.G.Soukup	Accepted		WCSP
Trillium persistens W.H.Duncan	Accepted		WCSP
Trillium petiolatum Pursh	Accepted		WCSP
Trillium pusillum Michx.	Accepted		WCSP
Trillium recurvatum L.C.Beck	Accepted		WCSP
Trillium reliquum J.D.Freeman	Accepted		WCSP
Trillium rivale S.Watson	Accepted		WCSP
Trillium rugelii Rendle	Accepted		WCSP
Trillium sessile L.	Accepted		WCSP
Trillium simile Gleason	Accepted		WCSP
Trillium smallii Maxim.	Accepted		WCSP
Trillium stamineum Harb.	Accepted		WCSP
Trillium sulcatum T.S.Patrick	Accepted		WCSP
Trillium taiwanense S.S.Ying	Accepted		WCSP
Trillium tschonoskii Maxim.	Accepted		WCSP
Trillium underwoodii Small	Accepted		WCSP
Trillium undulatum Willd.	Accepted		WCSP
Trillium vaseyi Harb.	Accepted		WCSP
Trillium viride L.C.Beck	Accepted		WCSP
Trillium viridescens Nutt.	Accepted		WCSP
Trillium × yezoense Tatew. ex J.Samej.	Accepted		WCSP

Statistics

The Plant List includes 116 scientific plant names of species rank for the genus Trillium. Of these 50 are accepted species names.

The Plant List includes a further 144 scientific plant names of infraspecific rank for the genus Trillium. We do not intend The Plant List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.

Species names

The status of the 116 species names for the genus Trillium recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	50	43.1%
◕	Synonym	61	52.6%
◕	Unplaced	5	4.3%
◕	Unassessed	0	0%

All names

The status of the 260 names (including infraspecific names) for the genus Trillium recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	58	22.3%
◕	Synonym	197	75.8%
◕	Unplaced	5	1.9%
◕	Unassessed	0	0%

Of these names,

• 6 are recorded as illegitimate

The confidence with which the status of the 116 species names recorded in The Plant List for the genus Trillium, are assigned as follows:

	Confidence level	Accepted	Synonym	Unplaced	Unassessed	Total
	High confidence	50	60	0	0	110	94.8%
	Medium confidence	0	1	0	0	1	0.9%
	Low confidence	0	0	5	0	5	4.3%

The source of the species name record found in The Plant List for the genus Trillium, are as follows: