Trillium

Trillium cuneatum

Little sweet betsy

Trillium erectum

Birthroot

Trillium flexipes

Nodding wakerobin

Trillium grandiflorum

Large white trillium

Trillium lancifolium

Lanceleaf wakerobin

Trillium nivale

Snow trillium

Trillium ovatum

Pacific trillium

Trillium petiolatum

Idaho trillium

Trillium sulcatum

Furrowed wakerobin

Trillium underwoodii

Longbract wakerobin

Trillium undulatum

Paint trillium

Trillium viride

Tapertip wakerobin

Trillium kamtschaticum

Trillium albidum

Trillium tschonoskii

Trillium taiwanense

Trillium × komarovii

Trillium channellii

Trillium vaseyi

Sweet wakerobin

Trillium cernuum

Whip-poor-will flower