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      Ferns of Viçosa, Minas Gerais State, Brazil: Polypodiaceae (Polypodiales, Filicopsida, Tracheophyta) Translated title: Samambaias de Viçosa, MG, Brasil: Polypodiaceae (Polypodiales, Filicopsida, Tracheophyta)

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          Abstract

          ABSTRACT As part of an ongoing project treating the ferns and lycophytes from the region of Viçosa, MG, Brazil, we here present the taxonomic treatment of Polypodiaceae. We performed field expeditions in remaining forest patches and disturbed sites from 2012 to 2016. We also revised the Polypodiaceae collection of VIC herbarium. In the region of Viçosa, 19 species of Polypodiaceae occur: Campyloneurum centrobrasilianum, C. decurrens, C. lapathifolium, C. phyllitidis, Cochlidium punctatum, Microgramma crispata, M. percussa, M. squamulosa, M. vacciniifolia, Niphidium crassifolium, Pecluma filicula, P. plumula, P. truncorum, Phlebodium areolatum, P. decumanum, Pleopeltis astrolepis, P. minima, Serpocaulon fraxinifolium, and S. menisciifolium. Among them, six are endemic to the Atlantic Forest. During our search in VIC, we found an isotype of Campyloneurum centrobrasilianum. We present keys, descriptions, illustrations, examined materials, and comments of all taxa.

          Translated abstract

          RESUMO Como parte de um projeto em andamento que trata da Flora de samambaias e licófitas da região de Viçosa, MG, Brasil, é aqui apresentado o tratamento taxonômico de Polypodiaceae. Foram realizadas expedições de campo em remanescentes florestais e áreas alteradas, entre 2012 e 2016. Foi também revisada a coleção de Polypodiaceae do herbário VIC. Na região de Viçosa, 19 espécies de Polypodiaceae ocorrem: Campyloneurum centrobrasilianum, C. decurrens, C. lapathifolium, C. phyllitidis, Cochlidium punctatum, Microgramma crispata, M. percussa, M. squamulosa, M. vacciniifolia, Niphidium crassifolium, Pecluma filicula, P. plumula, P. truncorum, Phlebodium areolatum, P. decumanum, Pleopeltis astrolepis, P. minima, Serpocaulon fraxinifolium e S. menisciifolium. Dentre elas, seis são endêmica à Floresta Atlântica. Durante a estudo da coleção do VIC, foi encontrado um isótipo de C. centrobrasilianum. São apresentados chaves, descrições, ilustrações, materiais examinados e comentários de todos os táxons.

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          Ferns and Allied Plants

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            Diversity of ferns and lycophytes in Brazil

            Abstract This compilation of ferns and lycophytes in Brazil is an update of the one published in 2010 in Catálogo de Plantas e Fungos do Brasil. The methodology consisted in collecting data from regional checklists, taxonomic revisions, and selected databases. Invited specialists improved the list accessing a website housed at the Jardim Botânico do Rio de Janeiro. The results show 1,253 species: 1,111 of ferns and 142 of lycophytes. This number is 6.5% higher than the previous one (1,176 spp.). The percentage of endemic species decreased from 38.2% to 36.7%. We recognized 36 families and 133 genera (vs. 33 families, 121 genera in 2010). The 10 most diverse families are Pteridaceae (196 spp.), Dryopteridaceae (179), Polypodiaceae (164), Hymenophyllaceae (90), Thelypteridaceae (86), Aspleniaceae (78), Lycopodiaceae (64), Selaginellaceae (55), Anemiaceae (51), and Cyatheaceae (45). The three most diverse genera are still Elaphoglossum (87 spp.), Thelypteris (85), and Asplenium (74). The richest phytogeographic domain continues to be in the Atlantic Rainforest with 883 species which also has the largest number of endemic and threatened species, followed by the Amazon Rainforest (503), Cerrado (269), Pantanal (30), Caatinga (26), and Pampa (eight). Minas Gerais remains as the richest state (657 spp. vs. 580 in 2010).
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              Manual Técnico da Vegetação Brasileira

              (2012)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                hoehnea
                Hoehnea
                Hoehnea
                Instituto de Botânica (São Paulo, SP, Brazil )
                0073-2877
                2236-8906
                April 2017
                : 44
                : 2
                : 251-268
                Affiliations
                [1] Viçosa Minas Gerais orgnameUniversidade Federal de Viçosa orgdiv1Departamento de Biologia Vegetal Brazil
                Article
                S2236-89062017000200251
                10.1590/2236-8906-95/2016
                61ee158b-3a6c-4ada-8372-e4028007d399

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 10 November 2016
                : 11 April 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 39, Pages: 18
                Product

                SciELO Brazil


                Flora,Pteridophyta,samambaias epífitas,sudeste do Brasil,epiphytic ferns,southeastern Brazil

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