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      Pteridófitas da Serra Negra, Minas Gerais, Brasil Translated title: Ferns and lycophytes of Serra Negra, Minas Gerais, Brazil

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          Abstract

          Este trabalho apresenta uma lista de espécies de pteridófitas que ocorrem na Serra Negra, Minas Gerais. A serra está inserida no complexo da Serra da Mantiqueira situada entre Rio Preto, Lima Duarte, Santa Bárbara do Monte Verde e Olaria, tendo seus limites nos pontos 21º58'11"S 43º53'21" W, 22º01'46,4" S 43º52'31,5" W, 21º58'21,4" S 43º50'06,5" W e 21º58'53" S 43º56'08" W. A vegetação da serra é formada por um mosaico de fitofisionomias, sendo encontradas formações florestais (florestas ombrófilas e semidecíduas) e campestres (campos rupestres). O inventário florístico foi realizado entre os anos de 2003 e 2008, em excursões mensais para coleta de amostras e registro de dados. Na serra foram registradas 209 táxons infragenéricos distribuídas em 24 famílias e 75 gêneros. As famílias com maior número de espécies foram Polypodiaceae (40), Dryopteridaceae (33) e Pteridaceae (25). A maioria das espécies (109) foi encontrada ocorrendo exclusivamente no interior de floresta. Em relação ao hábito, 69 espécies foram encontradas exclusivamente como terrestres, 37 como rupícolas ou terrestres e 32 exclusivamente epífitas. Este trabalho revela uma elevada riqueza de pteridófitas na região e indica a importância de estudos desta natureza na conservação e manejo das pteridófitas em Minas Gerais.

          Translated abstract

          This work presents an inventory of pteridophyte species that occur in the Serra Negra, of Minas Gerais. The area is part of the Mantiqueira Range, and is situated between the coordinates 21º58'11"S 43º53'21" W, 22º01'4.4" S, 43º52'31.5" W, 21º58'21.4" S, 43º50'06.5" W and 21º58'53" S, 43º56'08" W. The vegetation in the Serra Negra is characterized by a mosaic of different phytophysiognomies, divided into forests (evergreen and seasonal semideciduous forests) and open formations (rocky grasslands). The inventory was carried out from 2003 to 2008, during monthly excursions to collect botanical material and data in the study area. A total of 209 species, distributed in 24 families and 75 genera, were recorded. The families with the highest number of species were Polypodiaceae (40), Dryopteridaceae (33) and Pteridaceae (25). More than the half (110) of the inventoried species were recorded exclusively in the forests formations. Sixty-nine species were terrestrial, 37 were saxicolous or terrestrial and 32 were epiphytes. This work shows that this region is rich in ferns and reveals the importance of this kind of study for conservation and management of pteridophytes in the state of Minas Gerais.

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          Measuring Biological Diversity

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            Ferns and allied plants with special reference to Tropical America

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              Authors of scientifc names in Pteridophyta

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                abb
                Acta Botanica Brasilica
                Acta Bot. Bras.
                Sociedade Botânica do Brasil (Belo Horizonte )
                1677-941X
                June 2012
                : 26
                : 2
                : 378-390
                Affiliations
                [1 ] Universidade Federal de Juiz de Fora Brazil
                [2 ] Universidade Federal de Minas Gerais Brazil
                [3 ] Jardim Botânico Inhotim Brasil
                Article
                S0102-33062012000200013
                10.1590/S0102-33062012000200013
                fe090ec1-0948-40ac-bbff-190fac1d1387

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-3306&lng=en
                Categories
                PLANT SCIENCES

                Plant science & Botany
                Atlantic Forest,Ferns,Floristics,Lycophytes,Minas Gerais,Florística,Licófitas,Mata Atlântica,Samambaias

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