Abstract
The Itacolomi State Park is situated in both the cities of Ouro Preto and Mariana, in the State of Minas Gerais, Brazil, concerning all the "Serra do Itacolomi", a component of the Espinhaço range. This paper presents a preliminar list of the fanerogamic flora of the "campos rupestres" pertinent to this area. The present list includes 67 families and about 300 species.