ALA (University of Alaska, Fairbanks - Museum of the North)
BABY (B. A. Bennett Herbarium, Yukon Government)
BBLM (Boise District Bureau of Land Management)
BLMMD (Bureau of Land Management, Medford District)
BOIS (Rocky Mountain Research Station)
CIC (College of Idaho, Harold M. Tucker Herbarium)
COCC (Central Oregon Community College)
CRMO (Craters of the Moon National Monument)
EVE (Evergreen State College)
EWU (Eastern Washington University)
FHL (Friday Harbor Laboratories)
HAH (Hoyt Arboretum and Herbarium)
HJAEF (H.J. Andrews Experimental Forest)
HPSU (Portland State University)
HSC (Humboldt State University)
ID (Stillinger Herbarium, University of Idaho)
IDE (Erickson Weed Herbarium, University of Idaho)
IDS (Idaho State University, Ray J. Davis Herbarium)
LEA (University of Lethbridge)
LINF (Linfield College)
MONT (Montana State University)
MONTU (University of Montana)
NOCA (North Cascades National Park)
NY (The New York Botanical Garden)
OSC (Oregon State University)
PLU (Pacific Lutheran University)
PNNL (Pacific Northwest National Laboratory)
PSM (University of Puget Sound)
REED (Reed College)
RM (University of Wyoming, Rocky Mountain Herbarium)
SBLM (Bureau of Land Management, Salmon Office)
SOC (Southern Oregon University)
SRP (Boise State University, Snake River Plains Herbarium)
UAAH (University of Alaska, Anchorage)
UBC (University of British Columbia)
UWB (University of Washington Bothell)
V (Royal British Columbia Museum)
VALE (Bureau of Land Management, Vale District Office)
VIU (Milner Gardens and Woodland, Vancouver Island University)
WCW (Whitman College)
WS (Washington State University, Marion Ownbey Herbarium)
WSTC (Washington State University, Tri-Cities)
WTU (University of Washington)
WWB (Pacific Northwest Herbarium, Western Washington University)