Orchids of Wisconsin ENGLISH An interactive guide to the native orchids of Wisconsin. Descriptions and pictures. Jeffrey R. Hapeman. University of Wisconsin, USA. |
Cyp. Haven ENGLISH Specializing in Cypripedium and Calopogon species and hybrids. Culture notes, articles, photos, and CITES information. Carson E. Whitlow. Adel, Iowa, USA. |
Planteck Biotechnologies ENGLISH / FRENCH Specializing in the micropropagation of hardy orchids including Cypripedium, Bletilla, Calopogon, Dactylorhiza and Platanthera. L'Assomption, Quebec, Canada. |
Wild Orchid Company ENGLISH Hardy terrestrial orchids for perennial gardens. Offerings include Cypripediums, Calopogon, Pogonia and Spiranthes. Bill Mathis. Doylestown, Pennsylvania, USA. |
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