The family Pilotrichaceae is well represented in the state of Rio de Janeiro, where 11 genera and 35 species occur. The study includes 17 species of Lepidopilidium (Müll. Hal.), Lepidopilum (Brid.) Brid., Pilotrichum P. Beauv. and Thamniopsis (Mitt.) M. Fleisch. from Rio de Janeiro State. Diagnostic descriptions, illustrations, floristic comments, geographic distribution and conservation status are provided for each species.
bryophytes; pleurocarpous mosses; taxonomy; Atlantic rain forest
