Ctenopteris stella Copeland (1955 Taxonomic notes on the fern species group around Terpsichore lanigera (Polypodiaceae), including the descriptions of three new species and one new variety Velázquez, Ana Laura Moguel Kessler, Michael Phytotaxa 2009 2009-12-31 2 35 45 (Copel.) Moguel & M. Kessler Moguel & M. Kessler 2009 Copel. [151,792,1670,1699] Polypodiopsida Polypodiaceae Terpsichore Animalia Polypodiales 1 36 Tracheophyta species stella comb. nov.   Basionym:—  Ctenopteris stella Copeland (1955[1956]: 452).   Type:—  PERU: Cuzco: Valley of Río Urubamba,  Bues32( holotype, US).   Terpsichore stellais a common species that has mostly been identified as  T. lanigera, from which it can be differentiated by lacking lime dots on the hydathodes and by the darker indument of the abaxial rhachis surfaces.  Terpsichore stellaranges from Costa ica to Boliviaand is extremely plastic in its habit as well as indument. We recognise two distinct forms, one corresponding to the typeof the species which we call  Terpsichore stellavar. stella, and the other which we here describe as a new variety. [248,952,1810,1836] Peru Bues Valley of Rio Urubamba 1 36 1 Cusco holotype