Tribulus terrestris
PNW
BC
ID
MT
OR
WA
274 specimens from 30 herbaria:
British Columbia (10)
Idaho (75)
Montana (17)
Oregon (83)
Washington (89)
132 images from 24 herbaria:
BABY (1)
BBLM (3)
BLMVL (1)
BOIS (1)
CIC (14)
EWU (1)
HPSU (9)
ID (34)
IDE (10)
IDS (8)
LEA (1)
MONT (5)
MONTU (8)
NOCA (4)
PNNL (2)
PSM (2)
REED (1)
RM (2)
SOC (1)
SRP (10)
WCW (5)
WSTC (1)
WTU (7)
WWB (1)