William Haber 9677 Det. by: G. Davidse, 1992 Phenology: FL 21 December 1989 10:16N 84:49W 700 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, 1-3 m tall, in clumps on margin of river on rocky soil. Flowering spikes yellow-green.
William Haber 10232 Det. by: G. Davidse, 1992 Phenology: FL 30 November 1990 10:18N 84:45W 900 m ALAJUELA, SAN RAMON R.B. Monteverde Cordillera de Tilarán. Herb, 1.5-2.0 m tall, flood plain of Río Peñas Blancas. Flowers yellow green.
William Haber 9595 Det. by: G. Davidse, 1992 Phenology: FL 13 December 1989 10:18N 84:48W 1400 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, 1-3 m. Cane-like stems, growing in dense stands in pasture. Inflorescence yellow green.
Celso Alvarado 6 Det. by: B. Hammel, I 1991 Phenology: FL 2 June 1990 10:55N 85:29W 1100 m GUANACASTE, LIBERIA P.N. Guanacaste Cordillera de Guanacaste. Hierba. Inflorescencia café verduzco a pardo.