Seligeria pusilla (Seligeriaceae) and Barbula trifaria var. desertorum (Pottiaceae) new mosses to Sicily
Seligeria pusilla (Hedw.) Bruch & al. and Barbula trifaria var. desertorum (Froehl.) Agnew new for the Sicilian bryoflora. Their chorological and ecological features and phytosociological notes are reported.