Bolander's Lily: Lilium bolanderi (Synonym: Lilium howellii) -
Columbia Lily, Columbian Lily, Oregon Lily: Lilium columbianum (Synonyms: Lilium canadense var. parviflorum, Lilium lucidum, Lilium parviflorum) -
Kellogg's Lily: Lilium kelloggii -
Western Lily: Lilium occidentale -
Leopard Lily: Lilium pardalinum ssp. pardalinum (Synonyms: Lilium harrisianum, Lilium pardalinum var. angustifolium, Lilium roezlii) -
Vollmer's Lily: Lilium pardalinum ssp. vollmeri (Synonym: Lilium vollmeri) -
Wiggin's Lily: Lilium pardalinum ssp. wigginsii (Synonym: Lilium wigginsii)
Alpine Lily, Sierra Tiger Lily, Small Tiger Lily: Lilium parvum (Synonyms: Lilium canadense var. parvum, Lilium parvum var. crocatum) -
Lilac Lily, Redwood Lily: Lilium rubescens (Synonym: Lilum washingtonianum var. purpureum) -
Cascade Lily, Purple-flowered Washington Lily, Shasta Lily, Washington Lily: Lilium washingtonianum ssp. purpurascens (Synonyms: Lilium washingtonianum var. purpurascens, Lilium washingtonianum var. purpureum, Lilium purpureum) -