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Vascular flora of the Carlos Botelho State Park, São Paulo, Brazil

Located in the Serra de Paranapiacaba, South of São Paulo State, the Carlos Botelho State Park (PECB) shelters more than 37,000 ha of Atlantic Forest in one of the most important and large remnants of this Biome in Brazil. In the Park the Montane and Submontane rain forests are the predominant types of forests. Aiming to organize the available floristic information and to orient future surveys, this study presents the list of native vascular species of the PECB forests. Besides authors´ personal collections, more than 3,900 records since 1967 were compiled. Coming from different sources of information, these records were checked for the presence of botanical synonyms and new combinations. A total of 1,143 species belonging to 528 genera and 140 families were listed (other 63 species were not included because they were non-native or of doubtful occurrence/determination). There was a great richness of Myrtaceae, Orchidaceae, Fabaceae, Asteraceae, Melastomataceae, Lauraceae, Rubiaceae and Bromeliaceae. Although high species richness was found, the richness of herbs, lianas and epiphytes are certainly underestimated and future surveys will add many species to the list presented here. In addition, more than 60 endangered species were found, mainly among the Myrtaceae, Lauraceae and Gesneriaceae families. Therefore, these results put the PECB among the most species-rich conservation units of São Paulo state with great relevance to national conservancy of plant diversity.

Atlantic Forest; endangered species; floristics; Neotropics; species richness

Instituto Virtual da Biodiversidade | BIOTA - FAPESP Departamento de Biologia Vegetal - Instituto de Biologia, UNICAMP CP 6109, 13083-970 - Campinas/SP, Tel.: (+55 19) 3521-6166, Fax: (+55 19) 3521-6168 - Campinas - SP - Brazil