Contributions from the United States National Herbarium
Contributions from the U.S. National Herbarium.
United States National Herbarium.
Washington, D.C. :Smithsonian Institution Press,1890-
Suspended 1975-1999; v. 38, no. 7 (1974)-v. 39, [no. 1] (2000).
Vols. 1-7 published by: United States. Dept. of Agriculture, Division of Botany; v. 8-29 by: United States National Museum
Latino Natural History
New York Botanical Garden
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