Iris tenax
PNW
OR
WA
465 specimens from 22 herbaria:
Oregon (417)
Washington (48)
156 images from 17 herbaria:
CIC (3)
EWU (1)
HJAEF (1)
HJAEFB (1)
HPSU (42)
ID (17)
IDS (1)
LINF (34)
MONT (2)
PLU (5)
PSM (8)
REED (7)
SOC (14)
SRP (7)
WCW (6)
WTU (1)
WWB (6)