Studies of Central American plants.
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by Paul C. Standley and Julian A. Steyermark.
APA Citation
Standley, P. Carpenter., Steyermark, J. A. (Julian Alfred). (1940). Studies of Central American plants. [Chicago]: Field Museum of Natural History.
MLA Citation
Standley, Paul Carpenter, 1884-1963, and Julian A. (Julian Alfred) Steyermark. Studies of Central American Plants. [Chicago]: Field Museum of Natural History, 1940.
Warning: These citations may not always be complete (especially for serials).