Gerardo Herrera 3601 Det. by: G. Davidse, 1992 Phenology: 29 September 1989 09:20N 83:17W 1900 m PUNTARENAS, BUENOS AIRES R.I. Ujarrás Cordillera de Talamanca. Hierba de espiga verde.
Michael Grayum 8430 Det. by: G. Davidse, 1992 Phenology: FL 15 November 1987 09:48N 83:54W 1150 m CARTAGO, CARTAGO Valle del Reventazón. Locally abundant on grassy N slope. Lower part of stems long and trailing, the flowering portion erect. Spikelets green, glossy.
William Haber 10176 Det. by: G. Davidse 1992 Phenology: FL 24 November 1990 10:16N 84:50W 1000 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, spreading by rooted nodes in disturbed forest understory, culms 30 cm Flower pale green shading to maroon.
William Haber 9716 Det. by: G. Davidse, 1992 Phenology: FL 2 January 1990 10:17N 84:48W 1200 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, bamboo-like shrub, scrambling across plants on forest floor.
William Haber 9589 Det. by: G. Davidse, 1992 Phenology: FL 13 December 1989 10:18N 84:48W 1400 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, 0.5-0.8 m, shaded forest edge.
William Haber 9608 Det. by: G. Davidse, 1992 Phenology: FF 14 December 1989 10:18N 84:48W 1350 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb on open soil in shady forest edge. Fruit black and shiny. Spreading across ground.