During study of the species of Hypnea of the coast of Bahia specimens of Hypnea cornuta (Kützing) J. Agardh were found in the southern state. This is the first report of H. cornuta for the state of Bahia, Brazil. It is provided a detailed characterization of morphological, anatomical and reproductive aspects of this species.
Bahia; new occurrence; morphology; Rhodophyta; taxonomy
