(Fissidentaceae (Bryophyta) of the Ibiapaba Plateau, Ceará, Brazil). In the floristic survey carried out in the Ibiapaba Plateau, state of Ceará, Northeast Brazil, 20 species of Fissidentaceae were found, being eight new records for the Ceará State and Fissidens cryptoneuron P. de la Varde, F. angustifolius Sull., F. lindbergii Mitt. and F. santa-clarensis Thér. for the Northeast region. Identification keys are provided for the species found, as well geographic distribution and comments on the environment, substrate and important taxonomic characters. Illustrations have been drawn for the species rarely illustrated in the literature.
floristic; geographic distribution; mountainous environments
