Windham & Yatsk. (Windham) No year - Windham MD, Yatskievych G (2003) Revised Nomenclature and a New North American Record for the Villose Cliff Brake (Pellaea, Pteridophyta). Novon 13(3): 358. doi: 10.2307/3393272.
There is no corrections for Pellaea villosa yet.