Gerardo Herrera 2437 Det. by: J. Gómez-Laurito, IX 1993 Phenology: FL 24 February 1989 09:40N 83:01W 100 m LIMON, LIMON R.B. Hitoy Cerere Valle de la Estrella. Planta creciendo en la arena. Espiga inmadura verde, anteras amarillo-tenue.
Garrett Crow 7517 Det. by: G. Crow, VIII 1990 Phenology: 8 August 1990 10:09N 84:09W 1980 m HEREDIA, HEREDIA Cordillera Central. Inflorescence globose.
William Haber 9642 Det. by: J. Gómez-Laurito, III 1994 Phenology: FL 18 December 1989 10:16N 84:50W 900 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, 0.1 m tall; wet, shaded mud bank along spring.
William Haber 9644 Det. by: J. Gómez-Laurito, XI 1993 Phenology: FL 18 December 1989 10:16N 84:50W 900 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, 0.2-0.4 m tall, wet spring seepage along roadside.
Erick Bello 1955 Det. by: J. Gómez-Laurito, X 94 Phenology: FR 28 February 1990 10:18N 84:42W 850-900 m ALAJUELA, SAN RAMON P.N. Arenal Cordillera de Tilarán. Hierba sobre roca de río. Frutos secos.
William Haber 9591 Det. by: J. Gómez-Laurito, I 1990 Phenology: FL 13 December 1989 10:18N 84:48W 1400 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, 0.1-0.2 m, clumps on roadside. Bracts green.
William Haber 9706 Det. by: J. Gómez-Laurito, VII 1994 Phenology: 28 December 1989 10:19N 84:48W 1700 m PUNTARENAS, PUNTARENAS R.B. Monteverde Cordillera de Tilarán. Herb, 0.05-0.15 m tall, growing among grasses in wet yard.
William Haber 9707 Det. by: J. Gómez-Laurito, X 94 Phenology: 28 December 1989 10:19N 84:48W 1700 m PUNTARENAS, PUNTARENAS R.B. Monteverde Cordillera de Tilarán. Herb, 0.2-0.3 m tall, mixed with grasses at edge of lawn around TV tower.
William Haber 9424 Det. by: J. Gómez-Laurito, III 1994 Phenology: FL 20 August 1989 10:21N 84:41W 700-900 m ALAJUELA, SAN RAMON R.B. Monteverde Cordillera de Tilarán. Herb in marshy pasture. Inflorescence green.
Erick Bello 2415 Det. by: J. Gómez-Laurito, V 1993 Phenology: FL 18 September 1990 10:25N 84:43W 1200 m ALAJUELA, SAN RAMON P.N. Arenal Cordillera de Tilarán. Hierba en potrero. Flor verde, anteras café.