Apocynum ×floribundum
PNW
BC
ID
MT
OR
WA
131 specimens from 14 herbaria:
British Columbia (21)
Idaho (34)
Montana (12)
Oregon (26)
Washington (38)
44 images from 9 herbaria:
CIC (1)
CRMO (1)
ID (12)
IDS (2)
MONTU (6)
NOCA (4)
SRP (5)
UBC (6)
WTU (7)