Verticillate Cladonia species (Lichenized Ascomycota) from high-altitude environments of Serra do Mar in Southern Brazil

in a survey of the species of cladonia occurring in high-altitude environments of serra do mar in southern brazil, eight species with verticillate podetia were found. cladonia clathrata and c. imperialis are new records for the southern brazil; c. flagellaris, c. penicillata, and c. verticillaris are new for the state of santa catarina; c. calycanthoides and c. rappii are new for the state of paraná. detailed descriptions, an identification key, illustrations, and taxonomical remarks are provided.