Cyanophyceae/Cyanobacteria in red mangrove forest at Mosquitos and Coqueiros estuaries, São Luís, state of Maranhão, Brazil.

This paper provides the results of a taxonomic survey of the Cyanophyceae/Cyanobacteria in a frenge red mangrove forest in the estuaries of Estreito dos Mosquitos and Coqueiros, São Luís, State of Maranhão, Brazil. A total of 15 taxa were identified in 8 families, as follows: Synechoccaceae (2), Chroococcaceae (1), Hyellaceae (1), Xenococcaceae (1), Oscillatoriaceae (1), Scytonemataceae (2), Phormidiaceae (5) and Pseudanabaenaceae (2). The species listed in this paper are all new descriptions for Maranhão, and one of them is a new occurrence for Brazil.