 | Orchids of Wisconsin ENGLISH An interactive guide to the native orchids of Wisconsin. Descriptions and pictures. Jeffrey R. Hapeman. University of Wisconsin, USA.  |
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 | Calypso Orchid Company ENGLISH Site dedicated to Calypso bulbosa. Seed is offered for sale. Philo, California, USA.  |
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 | Liparis ENGLISH Wild orchids in Europe, North Africa, and the Middle East. Sven Birkedal. Sweden.  |
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 | Calypso Orchid ENGLISH Blog by "calypsogrower" covering many topics about the orchid genus Calypso. California, USA.  |
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