orchid

Year
1950

Citation

Correll, D.S. 1950. Native Orchids of North America North of Mexico. Chronica Botanica Company, Waltham, MA. 393 p.

Keywords

orchid

Reference Code
B50COR01NMUS

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Year
1975

Citation

Luer, C.A. 1975. The native orchids of the United States and Canada excluding Florida. New York Botanical Garden. 361 pp.

Keywords

Reference Code
B75LUE01HQUS

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