Twenty-seven species of moss are described from the Gruta de Mirassol, State of São Paulo, Brazil; these are distributed among 23 genera and 19 families. Racopilum tomentosum (Hedw.) Brid., Helicophyllum torquatum (Hook.) Brid., and Hyophila involuta (Hook.) Jaeg. & Sauerb. are the most common species. Brachymenium acuminatum Harv., Cyclodictyon varians (Sull.) O. Kuntze, Entodontopsis leucostega (Brid.) Buck & Ireland, Fissidens mollis Mitt., F. weirii Mitt., and Hyophila involuta (Hook.) Jaeg. & Sauerb. are cited for the firtst time from São Paulo State.
mosses; Bryopsida; Gruta de Mirassol-SP; geographical distribution