Boechera retrofracta
PNW
AK
BC
ID
MT
OR
WA
YK
1542 specimens from 32 herbaria:
Alaska (24)
British Columbia (284)
Idaho (462)
Montana (202)
Oregon (264)
Washington (276)
Yukon Territory (30)
539 images from 27 herbaria:
BABY (2)
BBLM (1)
BBLM-OWY (1)
BOIS (3)
CIC (71)
CIC-PYNF (1)
CRMO (4)
EWU (8)
HJAEF (3)
HJAEFB (1)
HPSU (4)
ID (119)
IDS (48)
LINF (1)
MONT (24)
MONTU (2)
NOCA (12)
RM (13)
SOC (22)
SRP (57)
UAAH (15)
UBC (21)
USFS (8)
VALE (1)
WCW (1)
WTU (90)
WWB (6)