Spiraea ×pyramidata
PNW
BC
ID
MT
OR
WA
249 specimens from 23 herbaria:
British Columbia (30)
Idaho (71)
Montana (12)
Oregon (23)
Washington (113)
85 images from 18 herbaria:
BBLM (1)
BOIS (5)
CIC (2)
CIC-PYNF (1)
EWU (2)
ID (26)
IDS (2)
MONT (3)
MONTU (6)
NOCA (4)
PLU (3)
REED (2)
SOC (1)
SRP (11)
UBC (3)
WCW (1)
WTU (9)
WWB (3)