Abstract
Rocky fields or rocky cerrados constitute one of several vegetation types of the Cerrado Biome. They are characterized by high altitude fields, with rocky outcrops, saline and nutrient-poor soils, distributed mainly in mountain ranges of Minas Gerais and Goiás. Gomphrena marginata (Amaranthaceae), found in rocky fields of the Espinhaço Mountain Range (MG), is listed as a rare species in B…