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Florística e aspectos ecológicos de samambaias e licófitas em remanescentes de matas estacionais deciduais da serra gaúcha, Rio Grande do Sul, Brasil

2014; UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL; Volume: 12; Issue: 2 Linguagem: Inglês

1679-2343

Felipe Gonzatti, Eduardo Valduga, Ronaldo Adelfo Wasum, Luciana Scur,

Plant and animal studies

In ten remnants of Deciduous Forest of the municipality of Santa Tereza, in Serra Gaucha, afloristic/ecological survey of ferns and lycophytes was performed. The following ecological aspects were evaluated: preferred substrate, life form andpatterns of geographic distribution of species. We found 70 ferns and 4 lycophytes, belonging to 38 genera of 18 plant families. Pteridaceae was the richest family with 17 species and Polypodiaceae nine. The preferred substrate was the terrestrial, the predominant life forms were rosulate and reptant hemicryptophyte, followed by epiphytes. The predominant distribution patterns were South American (28 spp.), American (26spp.) and Circum-Antarctic (15 spp.). The results suggest a high diversity for this flora, characteristic of this vegetation type, with low registration epiphytism and endemic species.