Lomaridium fragile (Liebm.) Gasper & V.A.O.Dittrich, Phytotaxa 275(3): 212. 2016 sec. Mickel & Smith 2004
- ≡Lomaria fragilis Liebm., Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd. ser. 2, 1: 232. 1849 syn. sec. Mickel & Smith 2004
- ≡Blechnum fragile (Liebm.) C.V. Morton & Lellinger, Amer. Fern J. 57(2): 68. 1967 syn. sec. Mickel & Smith 2004
- =Osmunda polypodioides Sw., Prodr. [O. P. Swartz]: 127. 1788 syn. sec. Mickel & Smith 2004
- =Blechnum onocleoides Sw., J. Bot. (Schrader) 1800(2): 75. 1801 syn. sec. ???
- =Lomaria onocleoides Spreng., Syst. Veg., ed. 16 [Sprengel] 4(1): 62. 1827 syn. sec. ???
- =Lomaria mexicana Fée, Mém. Foug. 8: 70. 1857 syn. sec. Mickel & Smith 2004