Useful Links

American Orchid Society  AOS
Southeastern Pennsylvania Orchid Society   SEPOS
Cattleya-Log Home Page
PHS Home Page
Orchid Images and Stock Photos
Orchid Species Online Encyclopedia

Royal Horticulture Society Links:

List of Hybrid Genera and their Components (current)

Look up a hybrid by parentage (use this link if you only know the parents)

Look up parentage by Grex name  (use this link if you NEED to know the parents)