Trillium mediumRaf. Trillium latifoliumRaf. Trillium hamosumRaf. Trillium glaucumRaf. Trillium cernuum f. walpolei Trillium cernuum f. viride Trillium cernuum var. typicum Trillium cernuum var. terrae-novae Trillium cernuum f. tangerae Trillium cernuum f. marginatum Trillium cernuum var. macranthum Trillium cernuum f. lalondei Trillium cernuum var. declinatum Trillium cernuum f. billingtonii