Speyeria hydaspe, the Hydaspe Fritillary, can be found in WA,OR,ID,WY,CA, and UT.
Favorite nectar plants include: Scabiosa and Solidago elongata
USDA Growing Zones for this plant include: 3,4,5,6,7,8,9,10

Host plants:
Viola
Viola adunca
Viola glabella
Viola nuttallii
Viola orbiculata
Viola purpurea
Viola sheltonii