Juncus stygius var. americanus
PNW
AK
BC
WA
YK
37 specimens from 6 herbaria:
Alaska (30)
British Columbia (5)
Washington (1)
Yukon Territory (1)
28 images from 4 herbaria:
ALA (25)
BABY (1)
UAAH (1)
WTU (1)