⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Maxillaria heynderyexii in version 1.1 of The Plant List.
This name is a synonym of Sudamerlycaste gigantea .
The record derives from Tropicos which reports it as a synonym (record 23512576
) with original publication details: Ann. Soc. Roy. Agric. Gand 1: 97 97 1845.