Galium serpenticum
PNW
ID
OR
WA
426 specimens from 21 herbaria:
Idaho (123)
Oregon (122)
Washington (181)
200 images from 19 herbaria:
BBLM (4)
BOIS (1)
CIC (40)
CIC-PYNF (3)
CRMO (3)
EWU (3)
ID (40)
IDS (15)
IFBLM (2)
LEA (1)
NOCA (2)
PLU (1)
PSM (1)
SOC (1)
SRP (18)
WCW (1)
WS (10)
WTU (47)
WWB (7)