Melissa officinalis
PNW
BC
ID
OR
WA
111 specimens from 13 herbaria:
British Columbia (4)
Idaho (7)
Oregon (71)
Washington (29)
74 images from 10 herbaria:
HPSU (14)
ID (12)
NOCA (3)
OSC (31)
PSM (1)
REED (1)
SOC (3)
SRP (3)
WCW (1)
WTU (5)