Michael Grayum 10630 Det. by: M. Grayum, VII 1994 Phenology: 9 December 1993 08:49N 83:11W 800-950 m PUNTARENAS, OSA Fila Costeña. Terrestrial in somewhat disturbed forest in low site; rhizome stout, erect.
Alex. Rodríguez 562 Det. by: A. Rojas, II 1995 Phenology: 20 February 1995 09:54N 83:12W 400 m LIMON, TALAMANCA Fila de Matama. Helecho de 0.8 m. Bajo dosel, en bosque primario. Soros pardos, abundantes. cáliz rojo.
Gerardo Herrera 2175 Det. by: R. Moran, 1989 Phenology: 13 October 1988 10:00N 83:24W 100 m LIMON, MATINA Z.P. Barbilla Cordillera de Talamanca. Terrestre. Soros café.
Michael Grayum 8945 Det. by: R. Moran, 1989 Phenology: 10 September 1988 10:00N 83:26W 250 m LIMON, MATINA Z.P. Barbilla Cordillera de Talamanca. Terrestrial fern in rocky primary forest, the rhizome stoutly creeping. Very common here, and throughout this region. Same species as MG 8740.
Michael Grayum 8740 Det. by: R. Moran, 1989 Phenology: 4 September 1988 10:02N 83:26W 200 m LIMON, MATINA Z.P. Barbilla Cordillera de Talamanca. Common terrestrial fern on slope in rich primary forest near small creek. Rhizome stoutly short-creeping. Same species as MG 8945.
Gerardo Herrera 3853 Det. by: M. Grayum, X 1990 Phenology: 26 February 1990 10:06N 83:49W 1100 m LIMON, POCOCI R.F. Cord. V. Central Cordillera Central. Terrestre. Esporangios café.