California False Hellebore, California Wild Hellebore, Cascade False Hellebore, Skunk Cabbage, Tailed False Hellebore, White False Hellebore: Veratrum californicum var. caudatum (Synonym: Veratrum caudatum) -
Siskiyou False Hellebore, Siskiyou Wild Hellebore: Veratrum insolitum -
American Wild Hellebore, Green False Hellebore, Indian Poke: Veratrum viride var. eschscholzianum (Synonyms: Veratrum eschscholtzianum, Veratrum eschscholtzii, Veratrum escholtzii var. incriminatum, Veratrum viride ssp. eschscholtzii, Veratrum viride var. eschscholtzii) -