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Acta Botanica Brasilica
versão impressa ISSN 0102-3306
RAMOS, Carla Gabriela Vargas e SYLVESTRE, Lana da Silva. Lycopodiaceae of Itatiaia National Park, Rio de Janeiro and Minas Gerais states, Brazil. Acta Bot. Bras. [online]. 2010, vol.24, n.1, pp.25-46. ISSN 0102-3306. http://dx.doi.org/10.1590/S0102-33062010000100004.
Itatiaia National Park is located in Southeastern Brazil, between the states of Rio de Janeiro and Minas Gerais, with altitudes ranging from 390 to 2789 m (Pico das Agulhas Negras). Lycopodiaceae has four genera and approximately 500 species, with cosmopolitan distribution. It is a homosporous family characterized by eligulate leaves and sporophylls. The family is represented in the study area by 23 species and one variety, distributed in three genera (Huperzia, 15 species; Lycopodiella, four species and one variety; Lycopodium, four species), totaling 43% of the species recorded in Brazil and 72% in the state of Rio de Janeiro. Keys to the identification of the genera and species, illustrations, descriptions, notes on taxonomy and ecologicalcharacteristics, geographic distribution and altitudinal variation are presented.
Palavras-chave : Lycopodiaceae; Atlantic Forest; taxonomy.