Place of publication:
Canad. Naturalist & Quart. J. Sci. ser. 2, 3:159. 1867
Comment:
since this name was originally based on Polypodium spinulosum O. F. Müll., this was an illegitimate later homonym (non Burm. f. 1768; Melbourne ICN Art. 53), so there is no parenthetical authorship (Melbourne ICN Art. 58)