Trillium sessile f. californicum - orchidroots .

Trillium sessile f. californicum (synonym of Trillium chloropetalum var. giganteum)

Trillium sessile f. californicum, (S.Watson) Farrer 1919 (Kew)

Trillium sessile f. californicum is a species in the Trillium genus. This name is a synonym of Trillium chloropetalum var. giganteum
No image available. Please try the accepted species chloropetalum var. giganteum