 Slipper Orchid Alliance ENGLISH Resource center dedicated to the slipper group of orchids including Paphiopedilum, Phragmipedium, Cypripedium, Mexipedium and Selenipedium. Quarterly newsletter. Pittsburgh, Pennsylvania, USA. |
| Native Orchid Conservation ENGLISH Membership info. Projects, articles, and newsletters. List (with photos) of the native orchids of Manitoba. Book and DVDs available. Winnipeg, Manitoba, Canada. |
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