Selaginella tarda Mickel & Beitel Selaginella tarda Mickel & Beitel, Mem. New York Bot. Gard. 46: 353 (-354), figs. 1988 sec. Mickel & Smith 2004Holotype: Mexico, Oaxaca: Distrito Putla, 61 km S of Putla, 12 km S of Zacatepec, Mickel 6927 (NY)