William Haber 10155 Det. by: N. Snow, VIII 1992 Phenology: FR 24 November 1990 10:16N 84:50W 1000 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, 0.1 m, on cut road bank. Seeds green with long awns.
William Haber 10893 Det. by: G. Davidse, 1994 Phenology: LR 6 November 1991 10:18N 84:48W 1200-1300 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, 0.10-0.15 m, exposed rocky ridge. Awns becoming purplish in fruit, green in flowers.
Abelardo Chacón 667 Det. by: M. Grayum, X 1990 Phenology: FR 28 December 1989 11:02N 85:35W 210 m GUANACASTE, LA CRUZ P.N. Guanacaste De Bahía Salinas a Santa Cecilia. Rupícola. Espigas verde tenue.