Criptógamos do Parque Estadual das Fontes do Ipiranga, S？o Paulo, SP, Brasil: Pteridophyta: 1. Aspleniaceae

the present paper is part of the floristic survey of the "parque estadual das fontes do ipiranga" carried out by the "instituto de botanica". the family aspleniaceae is native in the area and its represented by one genus and eight species: asplenium auritum sw., a. harpeodes kunze, a. jucundum fée, a. kunzeanum klotzsch ex rosenst., a. mucronatum c. presl, a. oligophyllum kaulf., a. raddianum gaudich., and a. scandicinum kaulf. identification keys for species, as well as descriptions, comments, and illustrations are presented.