– alpine butterbur, sweet coltsfoot
Occurring in forested and mountainous areas throughout Washington; Alaska to California, east across the northern half of North America to the Atlantic Coast; circumboreal.
Meadows, swamps, and other wet places, from low elevations to the alpine.
– alpine butterbur, arctic butterbur, sweet coltsfoot
– western coltsfoot
– arrowhead sweet coltsfoot, arrowleaf coltsfoot
– hybrid coltsfoot, Wenatchee coltsfoot