Slipperaceae Covering the genera Phragmipedium, Mexipedium, and Selenipedium. General information, classification, species, hybrids, synonyms, anomalies, photos, etc.. Rob Zuiderwijk. The Netherlands.
Slippertalk.com Web-based forum to discuss Paphiopedilum, Phragmipedium, Cypripedium, Mexipedium and Selenipedium orchids. Topics include culture, taxonomy, breeding, production, awards, pests, photographs, sale/trade, and a wanted section.
Slipper Orchid Alliance Resource center dedicated to the slipper group of orchids including Paphiopedilum, Phragmipedium, Cypripedium, Mexipedium and Selenipedium. Quarterly newsletter. Pittsburgh, Pennsylvania, USA.
Slipper Orchid Info Paphiopedilum, Phragmipedium, and Cypripedium taxonomy. Blooming seasons and awards data. Images and literature scans. Stephen Manza. Gaithersburg, Maryland, USA.
AnTec Laboratory Paphiopedilum and Phragmipedium specialists. Photos and hybrid tables. Paphiopedilum FAQ. Art by Carol Woodin. Bob and Lynn Wellenstein. Candor, New York, USA.