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Pteridófitas de Santa Catarina: um olhar sobre os dados do Inventário Florístico Florestal de Santa Catarina, Brasil

DOI: 10.1590/S0102-33062012000200018

Keywords: atlantic forest, ombrophilous forest, seasonal forest, restinga.

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Abstract:

santa catarina is the first brazilian state to complete its forest and floristic inventory, and is considered one of the states with a well-known flora. this region is covered by evergreen tropical rain forest, araucaria forest, seasonal deciduous forest and associated ecosystems, and shows high species richness. this paper presents a list of ferns collected in 563 sampling units. altogether, 324 species were recorded (300 ferns and 24 lycophytes), which belong to 29 families and 94 genera. the most diverse families are polypodiaceae (49 species), pteridaceae (42), and dryopteridaceae (38). asplenium and thelypteris are the most diverse genera, with 27 species each, followed by blechnum (15). of importance, too, are the 75 species considered endemic to the biome. eighteen new records for the flora of santa catarina were made. the distribution of species according to the vegetation type is the following: 288 species occur in evergreen tropical rainforest (of which 128 are exclusive to this vegetation type); 177 species in araucaria forest (30 exclusively) and 57 species in seasonal deciduous forest (3 exclusively). in addition, 17 species were recorded for restinga. a collection of asplenium lacinulatum, from an area of intense development, is first record for santa catarina, and another of alansmia senilis is the first record for the south region of brazil.

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