Trillium grandiflorum
Trillium grandiflorum (Michx.) Salisb.
Engl.: large-flowered trillium, snow trillium, birthroot.
Deu.: Grossblütiges Dreiblatt, Grosse Dreizipfellilie, Waldlilie.
Sven.: stort treblad.
Trillium Sessile. Beth Root, Birth Root, Ground Lily, Jews-harp.
Classic texts: Cook 1869.