Kind of nice to see this thread come up again. I, like most, have found it difficult to keep up with what my plants real names are - actually I don't. I am deleting the RHS comment I originally made - just up in the air on them. The only names that truly need changing are the species. Fine, let that be that. But do not change the accepted designation of the hybrids. This would surely aid in the identifying of hybrids, and must surely help the orchid industry.
For example - I use all make believe names here! I cross Laelia tallish with Cattleya shortish. Under the rules that have existed for quite some time and registered as Lc Ish - a success by the way garnering a FCC/AOS in 1975. For more than 30 years this plant has had success both in breeding and financially.
But what if the RHS said ok. Let's rename the species, but let's keep the accepted name. So, Lc Ish, under new and improved species designation we find it is C tallish x C shortish (that was Wednesday. Monday it was Soph. shortish and by Thursday they think it may change again). The species can be changed as often as possible without the loss of hybrid names and identity. It will continue to be labeled Lc Ish and all offspring will continue with 'old' rules of horticulture. Might this aid in keeping millions of hybrids from being lost, NOID, plants?
Otherwise, with species name changes, there are now three Cattley Ish plants out there since the change (Goodness! Sounds like menopause!). And while everyone says, oh, it has the synonym name to help....NOOOOO!!! Not so folks! After the 'new name' is given, the next generation will not have the synonym. It is now gone. And another NOID is born.
Maybe I view this as too simple. But surely some form of division between taxonomy and horticulture can be devised to keep orchids properly identified long term. The economic world is haphazard enough. I, for one, don't buy plants I have no idea what they are. I don't know what the bloom will be like unless the grower knows for sure (provided that is who I purchase it from) - by the way, C Ish will only bloom out in shades of green, and C Ish will only bloom out in shades of orange red. C Ish is on the fence as to what it will bloom out. Understand my meaning here?
Just my 2 cents here.