Dendrobium amplum Lindl. in N. Wallich, (1830).
Bulbophyllum amplum (Lindl.) Rchb.f. in W. G. Walpers, (1881).
Callista coelogyne (Rchb.f.) Kuntze, (1891).
Epigeneium coelogyne (Rchb.f.) Summerh., (1957).
Just to name a few of the 13 names this species has had over the years. Currently, the first is the official name for that species. But what kind of a species that has that name.