The Collaborative International Dictionary of English v.0.48:

Drymoglossum \Drymoglossum\ n.
   a genus of epiphytic ferns of Madagascar to tropical Asia and
   New Guinea.

   Syn: genus Drymoglossum.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Drymoglossum
    n 1: epiphytic ferns of Madagascar to tropical Asia and New
         Guinea [syn: Drymoglossum, genus Drymoglossum]