Abstract
Species of the genus Hypnea (Cystocloniaceae, Rhodophyta) are common on the coast of Brazil, presenting ecological importance and economic potential. Currently, 11 species are cited, three of which are widely distributed along the Brazilian coast, H. pseudomusciformis, H. brasiliensis and H. cervicornis. Previous phylogeographic and ecophysiological studies have shown that H. pseudomuscif…