Information on over 23,000 orchid species in over 850 genera. Jay Pfahl (and many others). Key West, Florida, United States.
Images of Paphiopedilums, Phragmipediums, Selenipediums, Mexipediums, and Cypripediums.
Slipper orchid taxonomy, images, awards, and more. Stephen Manza. Gaithersburg, Maryland, United States.
Web-based forum to discuss Paphiopedilum, Phragmipedium, Cypripedium, Mexipedium, and Selenipedium orchids.