Asplenium sphaerosporum A.R. Sm. Asplenium sphaerosporum A.R. Sm. in Amer. Fern J. 70: 17, figs. 1980 sec. Mickel & Smith 2004Holotype: Mexico, Chiapas: SE side of Cerro Baul, 16 km NW of Rizo de Oro, Breedlove 21805 (DS)