Kew lists Prosthechea citrina as the accepted name
http://apps.kew.org/wcsp/named...
And here are the several synonyms
http://apps.kew.org/wcsp/synon...
Sobralia citrina
Cattleya citrina
Epidendrum citrinum
Encyclia citrina
Euchile citrina
Prosthechea karwinskii is the accepted name of a different Prosthechea
It won't let me copy the link, you need to type into the line Prosthechea karwinskii
http://apps.kew.org/wcsp/qsear...
Euchile karwinskii and Cattleya karwinskii are synonyms of that one.
http://apps.kew.org/wcsp/synon...
