– blue-lily, blue umber lily, large-flowered tritelia
Occurring chiefly east of the Cascades crest in Washington, but also occurring in the north Puget Sound area; British Columbia to California, east to Montana, Idaho, Wyoming and Utah.
Prairies, grasslands, balds and forest openings, often where seasonally dry, from the coast to middle elevations in the mountains.
– blue-lily, Douglas' brodiaea, blue umber lily, large-flowered tritelia
– Howell's large-flowered triteleia, Howell's triteleia