Michael Grayum 10073 Det. by: M. Grayum, I 1992 Phenology: 28 January 1992 08:40N 83:12W 120 m PUNTARENAS, GOLFITO R.N.V.S. Golfito Valle de Coto Colorado. Terrestrial on ridge in primary forest. Rhizome erect. Rachis somewhat glaucous.
Michael Grayum 10956 Det. by: M. Grayum, VIII 1995 Phenology: 14 August 1995 09:47N 83:20W 900-1000 m LIMON, LIMON Cordillera de Talamanca. Terrestrial in low, damp site in forest. Rhizome erect.
Michael Grayum 10782 Det. by: M. Grayum, VIII 1995 Phenology: 7 August 1995 09:47N 83:23W 575-650 m CARTAGO, TURRIALBA Cordillera de Talamanca. Occasional terrestrial ferns in perturbed forest. Rhizome erect.
Michael Grayum 10211 Det. by: M. Grayum, II 1992 Phenology: 29 February 1992 10:18N 84:44W 850-900 m ALAJUELA, SAN RAMON R.B. Monteverde Cordillera de Tilarán. Uncommon, terrestrial fern in secondary growth near trail. Rhizome erect.