Gerardo Herrera 3517 Det. by: J. Mickel, 1993 Phenology: 22 September 1989 09:16N 83:13W 1800 m PUNTARENAS, BUENOS AIRES R.I. Ujarrás Cordillera de Talamanca. Epífito. Esporangios inmaduros verde tenue.
Michael Grayum 8194 Det. by: J. Mickel, 1992 Phenology: 12 March 1987 09:33N 83:45W 3400 m SAN JOSE, PEREZ ZELEDON R.F. Los Santos Cordillera de Talamanca. Growing from crevice in exposed site on large rock outcrop.