someone in the northwest who has philippine species is asuka orchids. i've purchased a lot from her and they are always very good. you used to be able to get great unusual phal species from dowery orchids, but he is no longer in business. oak hill orchids traditionally has had many phal species seedlings at good prices. everyone has already mentioned bigleaf. norman's can have interesting ones; sometimes they do have some bugs and once I got an equestris alba that rotted the day after I got it (was told the owner had been sick and very busy so nobody was cross-checking orders), but was given free nice plant on the next order. andy's orchids doesn't list a lot of phals, but he can often have species that are in numbers too low to list, so call. orchids by hausermann has often had phal species, and orchidview often has phal species though they are usually known for phrags. al's orchid exchange often has interesting smaller species and his own primary hybrids, there are many more but I haven't been buying things for quite a while. tom in tennessee can't remember name (something mountain) has lots phal species. a number of other places will have phal species on their menu though they have lots of others, just have to look around with searches