Blechnum polypodioides Raddi, Opusc. Sci. 3: 294. 1819 sec. Mickel & Smith 2004
Holotype: Brazil, Corcovado, Raddi S. N (presumably FI)
- =Asplenium blechnoides Lag. ex Sw., Syn. Fil. (Swartz): 76. 1806 syn. sec. Mickel & Smith 2004
- =Blechnum angustifrons Fée, Mém. Foug. 7: 25, t. 9, f. 2. 1857 syn. sec. Mickel & Smith 2004
- =Blechnum scabrum Liebm., Kongel. Danske Vidensk.-Selsk. Skr. V. 1: 236 (seors. 84). 1849 syn. sec. Mickel & Smith 2004