Institution	Herbarium name	Index Herbariorum code
Arizona State University	Arizona State University Vascular Plant Herbarium	ASU
Bartlett Arboretum and Gardens	Bartlett Arboretum Herbarium	BART
Boise State University	Snake River Plains Herbarium	SRP
Brown University	Brown University Herbarium	BRU
Central Michigan University	Central Michigan University Herbarium	CMC
College of Idaho	Harold M. Tucker Herbarium	CIC
Denver Botanic Gardens	Kathryn Kalmbach Herbarium of Vascular Plants	KHD
Desert Botanical Garden	Desert Botanical Garden Herbarium	DES
Eastern Kentucky University	Eastern Kentucky University Herbarium	EKY
Eastern Michigan University	Eastern Michigan University Herbarium	EMC
Eastern Washington University	Eastern Washington University Herbarium	EWU
Florida State University	Robert K. Godfrey Herbarium	FSU
Louisiana State University	Shirley C. Tucker Herbarium	LSU
Mississippi State University	Mississippi State University Herbarium	MISSA
North Carolina State University	North Carolina State University Herbarium	NCSC
Portland State University	Portland State University Herbarium	HPSU
The University of Texas at Austin	Plant Resources Center	TEX
United States Fish and Wildlife Service		VFWO
Florida Museum of Natural History	University of Florida Herbarium	FLAS
University of Georgia	University of Georgia Herbarium	GA
University of Idaho	Stillinger Herbarium	ID
University of Mary Washington	University of Mary Washington Herbarium	MWCF
University of Massachusetts Amherst	University of Massachusetts Herbarium Amherst	MASS
University of Michigan	University of Michigan Herbarium	MICH
University of Minnesota	University of Minnesota Herbarium	MIN
University of North Carolina at Chapel Hill	University of North Carolina at Chapel Hill Herbarium	NCU
University of Rhode Island	University of Rhode Island Herbarium	KIRI
University of South Florida	University of South Florida Herbarium	USF
University of Southern Mississippi	University of Southern Mississippi Herbarium	USMS
University of Washington	University of Washington Herbarium	WTU
University of Wisconsin–Madison	Wisconsin State Herbarium	WIS
Western Carolina University	Western Carolina University Herbarium	WCUH
Yale University	Yale University Herbarium	YU