William Haber 9178 Det. by: J. Gómez-Laurito, V 1993 Phenology: FL 31 March 1989 09:37N 84:38W 5 m PUNTARENAS, GARABITO Valle del Tárcoles. Herb, 0.20-0.40 m, in clumps on sand.
Michael Grayum 10035 Det. by: G. Davidse, 1991 Phenology: LR 13 November 1990 09:39N 82:46W 1-2 m LIMON, TALAMANCA Faja Costeña de Limón. Densely cespitose plants in shaded sites beneath coconut palms back of strand. Culms somewhat glaucous.