Garrett Crow 7344 Det. by: N. Zamora, VII 1995 Phenology: FL 14 October 1989 10:57N 85:38W 300 m GUANACASTE, LA CRUZ De Bahía Salinas a Santa Cecilia. Very fine foliage; yellow flowers. Stem spongy below water level. Frequent. Possibly a new species.
Garrett Crow 7626 Det. by: G. Crow, VIII 1990 Phenology: 27 August 1990 11:01N 85:33W 260 m GUANACASTE, LA CRUZ De Bahía Salinas a Santa Cecilia. Very abundant, predominate. Emergent. Apparently known only from Guanacaste- few specimens.