Trillium

Trillium grandiflorum

Large white trillium

Trillium erectum

Birthroot

Trillium ovatum

Pacific trillium

Trillium undulatum

Paint trillium

Trillium recurvatum

Trillium cernuum

Whip-poor-will flower

Trillium sessile

Sessile trillium

Trillium cuneatum

Little sweet betsy

Trillium flexipes

Nodding wakerobin

Trillium chloropetalum

Giant trillium

Trillium catesbaei

Bashful wakerobin

Trillium albidum

Trillium luteum

Trillium nivale

Snow trillium

Trillium tschonoskii

Trillium rugelii

Illscented wakerobin

Trillium apetalon

Trillium camschatcense

Trillium pusillum

Dwarf wakerobin

Trillium vaseyi

Sweet wakerobin