Caatinga

The systematic value of pollen morphology in Chresta Vell. ex DC. (Vernonieae, Asteraceae)

Chresta encompasses 15 species of Compositae, mostly restricted to the Brazilian Cerrado and Caatinga. Previous taxonomic studies have …

Carolina M Siniscalchi, Raquel M B Souza-Souza, Benoı̂t Loeuille, José Rubens Pirani, Vania Gon ̧calves-Esteves