Michael Grayum 10337 Det. by: G. Davidse, 1994 Phenology: FL 17 March 1993 09:20N 83:13W 2250-2270 m LIMON, TALAMANCA P.N. Cordillera de Talamanca Cordillera de Talamanca. Coarse herbs in dense "páramo" vegeta- tion, forming large clumps. Spikelets chestnut-brown.
Gerardo Herrera 6242 Det. by: J. Gómez-Laurito, VIII 1995 Phenology: FL 5 April 1993 09:23N 83:09W 2300 m LIMON, TALAMANCA P.N. Cordillera de Talamanca Cordillera de Talamanca. Terrestre. Espiga madura amarillo-café.
Michael Grayum 7427 Det. by: G. Davidse, 1989 Phenology: FL 27 April 1986 10:08N 84:06W 2840-2900 m HEREDIA, BARVA P.N. Braulio Carrillo Cordillera Central. Growing at base of tree on summit ridge. Spikes light brown.
Michael Grayum 7146 Det. by: G. Davidse, 1989 Phenology: FL 15 April 1986 10:11N 84:07W 2060-2080 m HEREDIA, HEREDIA P.N. Braulio Carrillo Cordillera Central. Common in open, disturbed sites at edge of pasture near creek. Spikelets brown- ish.
Erick Bello 791 Det. by: J. Gómez-Laurito, X 1994 Phenology: FL 20 April 1989 10:15N 84:46W 1600 m PUNTARENAS, PUNTARENAS R.B. Monteverde Cordillera de Tilarán. Pasto alcanzando hasta 1 m cada cepa, en pantano. Flor café con anteras anteras.