Polypodium tafanum C. Chr. in Brittonia 2: 311. 1937 Polypodium tafanum C. Chr. in Brittonia 2: 311. 1937Unknown type category: Brass 5028Unknown type category: Brass 5028 (NY)Taxon for this namePolypodium tafanum C. Chr. in Brittonia 2: 311. 1937