[Algal flora of Lake Amapá in Rio Branco, Acre State, II: chlorophyta].

In this study, 15 samples were collected on a bi-monthly basis, during the period between March and May 1994, and 3 additional samples were collected, one in each of the months of July, October and November 1994. All the samples were collected in Lake Amapá (lat. 10 degrees 2'36"S, long. 67 degrees 50'24"W), which is located in Rio Branco, Acre State, Brazil. Ten táxons, of Chlorophyta were registered: Botryococcaceae (2), Treubariaceae (1), Volvocaceae (2), Closteriaceae (3) e Desmidiaceae (2). All taxa identified are first citations for Acre State.