Information on over 23,000 orchid species in over 850 genera. Jay Pfahl (and many others). Key West, Florida, United States.
Discussion forum, flowering dates, images, cultivation information and more. Jerzy Dziedzic. Poland.
Concise information on the 134 genera of orchids currently known to occur on the island of New Guinea. Multiple contributors. Port Moresby, Papua New Guinea.
Images of wild orchids in Papua New Guinea. Nicole and Robert Westerveld. Papua New Guinea.
Reference blog for numerous Vanda species. Philippe Christophe. Bangkok, Thailand.