The Collaborative International Dictionary of English v.0.48:

crape fern \crape fern\ n.
   a fern of New Zealand (Leptopteris superba) with pinnate
   fronds and a densely woolly stalks; sometimes included in
   genus Todea.

   Syn: crape fern, Prince-of-Wales fern, Prince-of-Wales
        feather, Prince-of-Wales plume, Leptopteris superba,
        Todea superba. [WordNet 1.5]

WordNet (r) 3.0 (2006):

crape fern
    n 1: New Zealand with pinnate fronds and a densely woolly
         stalks; sometimes included in genus Todea [syn: crape
         fern, Prince-of-Wales fern, Prince-of-Wales feather,
         Prince-of-Wales plume, Leptopteris superba, Todea
         superba]