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Missouri Botanical Garden
P.O. Box 299, Saint Louis, Missouri, 63166-0299
Duke University, Biology Department
Box 90338, Durham, North Carolina, 27708-0338
University of Utah Herbarium
1390 E Presidents Circle, Room 102, Salt Lake City, Utah, 84112-0050
New Mexico State University, Department of Biology
P.O. Box 3AF, Las Cruces, New Mexico, 88003-0001
Harvard University (The Gray Herbarium)
22 Divinity Avenue, Cambridge, Massachusetts, 02138-2020
Herbarium, University of Arkansas
Department of Biological Sciences, Science Engineering Hall, Room 601 Fayetteville, Arkansas 72701
Illinois Natural History Survey
1816 South Oak St. Champaign, Illinois 61820
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