Cianoliquens dos gêneros Coccocarpia, Collema e Leptogium do Parque Estadual da Cantareira, SP, Brasil, depositados no herbário SP

the survey of the foliose lichen specimens of the parque estadual da cantareira and vicinities, deposited at the sp herbarium, revealed 14 cyanolichen specimens, belonging to seven species of the genera coccocarpia, collema, and leptogium. this is the first record of these species for the area, and includes an identification key, descriptions, comments, and illustrations. collema fuscovirens is recorded for the first time to south america, leptogium coralloideum is recorded for the first time to s？o paulo state, and a lectotype is selected for l. austroamericanum.