Enterosora ecostata (Sodiro) L.E.Bishop, Syst. Bot. 17(3): 348. 1992 sec. Mickel & Smith 2004
- ≡Polypodium ecostatum Sodiro, Crypt. Vasc. Quit.: 308. 1893 syn. sec. Mickel & Smith 2004
- ≡Grammitis ecostata (Sodiro) Christenh., Global Fl. 4: 43. 2018 syn. sec. Christenhusz & al. 2018
- =Polypodium harrisii Jenman, Gard. Chron. ser. 3, 27: 241. 1900 syn. sec. Mickel & Smith 2004
- =Polypodium nesioticum Maxon, Smithsonian Misc. Collect. 47: 410. 1905 syn. sec. Mickel & Smith 2004
- =Grammitis harrisii (Jenman) A.R.Sm., Proc. Calif. Acad. Sci. ser. 4, 40: 230. 1975 syn. sec. Villaseñor & al. 2010