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      Pteridófitas em fragmentos florestais da APA Fernão Dias, Minas Gerais, Brasil Translated title: Pteridophytes from APA Fernão Dias, Minas Gerais, Brazil

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          Abstract

          Resumo Foi realizado o estudo das pteridófitas ocorrentes na APA Fernão Dias, situada no extremo sul do estado de Minas Gerais, na Serra da Mantiqueira, abrangendo áreas dos municípios de Camanducaia, Gonçalves, Extrema e Itapeva. Esta região encontrase entre 1.000 e 2.068 metros de altitude, em zona de tensão ecológica entre as florestas tropicais montanas e submontanas. Constatou-se a ocorrência de 173 espécies de pteridófitas, distribuídas em 23 famílias e 55 gêneros. As famílias mais representativas foram Polypodiaceae (21 spp.), Thelypteridaceae (18 spp.), Lomariopsidaceae (17 spp.), Pteridaceae e Aspleniaceae (13 spp. cada), Blechnaceae e Hymenophyllaceae (12 spp. cada), Grammitidaceae (10 spp.) e Lycopodiaceae (8 spp.). Os gêneros com maior número de espécies foram Thelypteris e Elaphoglossum (17 spp. cada), Asplenium (13 spp.), Blechnum (12 spp.), Trichomanes (7 spp.), Campyloneurum (6 spp.), Pecluma, Polypodium, Huperzia e Hymenophyllum (5 spp. cada). A maioria das espécies é terrestre com distribuição neotropical. Athyrium filix-femina (L.) Roth. consiste na primeira referência para Minas Gerais. Este estudo revelou a presença de uma espécie ameaçada de extinção (Dicksonia sellowiana Hook.) e três presumivelmente ameaçadas (Alsophila capensis (L.f.) J. Sm., Dryopteris patula (Sw.) Underw. e Botrychium virginianum (L.) Sw.), constantes da Lista Vermelha das Espécies Ameaçadas de Extinção da Flora de Minas Gerais.

          Translated abstract

          Abstract A floristic inventory of pteridophytes was carried out in the APA Fernão Dias, located in Serra da Mantiqueira, on the southern of Minas Gerais State, including the municipalities of Camanducaia, Gonçalves, Extrema and Itapeva. This region is situated between 1.000 and 2.068 meters of altitude, in a zone of Tropical seasonal semideciduous and Tropical rain forests. A total of 173 pteridophyte species were identified, distributed in 23 families and 55 genera. The most representative families were Polypodiaceae (21 spp.), Thelypteridaceae (18 spp.), Lomariopsidaceae (17 spp.), Pteridaceae and Aspleniaceae (13 spp. each), Blechnaceae and Hymenophyllaceae (12 spp. each), Grammitidaceae (10 spp.) and Lycopodiaceae (8 spp.). The genera with the highest numbers of species were Thelypteris and Elaphoglossum (17 spp. each), Asplenium (13 spp.), Blechnum (12 spp.), Trichomanes (7 spp.), Campyloneurum (6 spp.), Pecluma, Polypodium, Huperzia and Hymenophyllum (5 spp. each). Most of the species were terrestrial and has a Neotropical distribution. Athyrium filix-femina (L.) Roth. is the first record for the Minas Gerais State. This study has also identified the presence of a species threatened with extinction, Dicksonia sellowiana Hook., and of three species presumably threatened: Alsophila capensis (Sw.) Conant, Dryopteris patula (Sw.) Underw. and Botrychium virginianum (L.) Sw., included in the Red List of Threatened Species of the Flora of Minas Gerais State.

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          Flora da Serra do Cipó, Minas Gerais: Caracterização e Lista das Espécies

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            Species richness and density of ground herbs within a plot of lowland rainforest in north-west Borneo

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              A Revised Circumscription of the Genera of the Fern Family Vittariaceae

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                rod
                Rodriguésia
                Rodriguésia
                Instituto de Pesquisas Jardim Botânico do Rio de Janeiro (Rio de Janeiro, RJ, Brazil )
                0370-6583
                2175-7860
                January 2007
                : 58
                : 1
                : 207-220
                Affiliations
                [1] Belo Horizonte Minas Gerais orgnameUniversidade Federal de Minas Gerais orgdiv1Instituto de Ciências Biológicas orgdiv2Departamento de Botânica Brazil
                Article
                S2175-78602007000100207
                10.1590/2175-7860200758115
                ac33ffe6-275d-4a6b-9938-b6940d323d15

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

                History
                : January 2007
                : April 2006
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 51, Pages: 14
                Product

                SciELO Brazil


                Tropical seasonal semideciduous forest,floresta ombrófila,floresta estacional semidecidual,florística,Pteridófitas,Tropical rain forest,Pteridophytes,floristic

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