Distribution : Brésil (Mato Grosso do Sul, São Paulo, Rio de Janeiro, Sergipe, Alagoas, Pernambuco, Ceará, Maranhão, Pará [Carajas]), Guyane française, Suriname?, Guyana (basse Mazaruni), Venezuela (Anzoátegui, Guarico), Belize?? (Hinchliff & Roalson 2010,
GBIF,
Flora do Brasil 2020).
Type : Brésil, Ceará, Mpio. de Fortaleza, Parangaba, shallow water of lake, 11/10/1935, F.E. Drouet 2605 (HT:
US01919694; IT:
V0093142F,
V0093143F,
MO-1600172).
Guyana, Cuyuni-Mazaruni, Isseneru, Lower Mazaruni River, ~6.365°N 60.380°W, 27/09/2006, K. Redden 4362 (PT:
US, WS).
Guyana, Cuyuni-Mazaruni, Kamakusa, Upper Mazaruni River, ~59°50’W, 11-22/07/1923, J.S. de la Cruz 4241 (PT: UC).
Venezuela, Anzoátegui, Mun. Freites, Morichal Morichalote, fundo Mis Aidas, 6-7 km al oeste de Oritupano, 9°02’N 63°30’W, 110-120 m, 23/02/1998, A. Fernández & C. Reyes 12359 (PT:
US03272593).
Brésil, Rio de Janeiro, Mun. Cabo Frio, Cabo Frio, Praia do Pontal, 22°56'48"S 42°1'54"W, ao nivel do mar, 17/04/1952, L.B. Smith 6558 (PT:
US03273592).