Galium serpenticum
PNW
ID
OR
WA
380 specimens from 21 herbaria:
Idaho (134)
Oregon (81)
Washington (165)
170 images from 17 herbaria:
BBLM (4)
BOIS (2)
CIC (20)
CIC-PYNF (3)
CRMO (3)
EWU (3)
ID (43)
IDS (26)
LEA (1)
NOCA (2)
PLU (1)
PSM (1)
SOC (1)
SRP (15)
WCW (1)
WTU (37)
WWB (7)