- Orchids of Kenya by Joyce Stewart, 2003-01-01
- Native Orchids of the Southern Appalachian Mountains by Stanley L. Bentley, 2000-10-23
- An Enthusiasm for Orchids: Sex and Deception in Plant Evolution by John Alcock, 2005-11-24
- Field Guide to the Orchids of Madagascar by Phillip Cribb, Johan Hermans, 2010-04-15
- The Wild Orchids of California (Comstock books) by Ronald A. Coleman, 2002-08
- The Manual of Cultivated Orchid Species: 3rd Edition by Helmut Bechtel, Phillip Cribb, et all 1992-01-16
- The Orchids of the Philippines by Jim Cootes, 2001-09-01
- Orchid Biology: Reviews and Perspectives
- Orchids from the Botanical Register SET: 1815-1847 by SPRUNGER, 1991-02-11
- Rumphius' Orchids: Orchid Texts from "The Ambonese Herbal" by E. M. Beekman, 2003-09-10
- Orchids Their Botany and Culture by A. D. Hawkes, 2000-01
- Growing Orchids from Seed by Philip Seaton, Margaret Ramsey, 2005-01-15
- Field Guide to Australian Orchids by Margaret Hodgson, Roland Paine, 1989-06-05
- Wild Orchids of Texas (Corrie Herring Hooks Series) by Joe Liggio, Ann Orto Liggio, 1999
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