Tribulus terrestris
PNW
BC
ID
MT
OR
WA
291 specimens from 30 herbaria:
British Columbia (11)
Idaho (78)
Montana (14)
Oregon (89)
Washington (99)
180 images from 26 herbaria:
BABY (1)
BBLM (3)
BLMVL (1)
BOIS (1)
CIC (14)
COCC (10)
EWU (1)
HPSU (10)
ID (34)
IDE (10)
IDS (8)
LEA (1)
MONT (5)
MONTU (9)
NEZ (1)
NOCA (4)
OSC (27)
PSM (2)
REED (1)
SOC (2)
SRP (11)
TFBLM (2)
WCW (5)
WS (2)
WTU (14)
WWB (1)