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Caldasia
versión impresa ISSN 0366-5232
Resumen
SALAZAR YEPES, MAURICIO y ALVES DE CARVALHO JUNIOR, ANÍBAL. UREDINALES (RUST FUNGI) BIOTA OF THE PARQUE NACIONAL DO ITATIAIA, BRAZIL: AN ANALYSIS OF COMPOSITION, SPECIES DIVERSITY AND ALTITUDINAL DISTRIBUTION. Caldasia [online]. 2013, vol.35, n.1, pp.165-176. ISSN 0366-5232.
The present study analyzed the composition, species diversity and altitudinal distribution based on species of rust fungi (Uredinales) collected in the Parque Nacional do Itatiaia, Brazil. Results were compared with other Atlantic Forest locations, the São Paulo Cerrado and some other tropical regions. The Uredinales collections were made over the course of two years, covering the states of Rio de Janeiro and Minas Gerais, from 500 to 2600m above sea level. Results showed the Uredinales Biota to be composed of 38 genera (32 teleomorphs and 6 anamorphs) and 207 species, out of which 178 were teleomorphic and 29 anamorphic. The genera Puccinia, Uromyces and Phakopsora comprised the largest number of species (58% in all). A hundred and ninety-two hosts belonging to 63 botanical families were registered. The rust/host ratio for ten of the richest families in number of species was 1:8. A high similarity (50%) was found between two altitudinal ranges. The results provide a strong additional argument for the urgency of preservation and continuous study for such areas.
Palabras clave : Brazil; Diversity; Rust fungi; Parque Nacional do Itatiaia; Uredinales.