Taxa Count: 16

MELANTHIACEAE

Trillium catesbaei

Trillium cernuum

Trillium cernuum var. macranthum

Trillium erectum

Trillium erectum var. album

Trillium erectum var. declinatum

Trillium flexipes

Trillium gleasonii

Trillium grandiflorum

Trillium luteum

Trillium nivale

Trillium recurvatum

Trillium sessile

Trillium undulatum

Trillium vaseyi

Trillium viride