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      Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP. Algas 36: Bacillariophyceae (Cymbellales) Translated title: Cryptogams of the Parque Estadual das Fontes do Ipiranga, São Paulo, SP. Algae 36: Bacillariophyceae (Cymbellales)

      research-article
      ,
      Hoehnea
      Instituto de Botânica
      diatoms, São Paulo, taxonomy, diatomáceas, São Paulo, taxonomia

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          Abstract

          Foi providenciado o levantamento florístico da ordem Cymbellales (Bacillariophyceae) na área do PEFI, Parque Estadual das Fontes do Ipiranga, São Paulo, SP, Brasil, com base na análise de 28 unidades amostrais. Amostras de plâncton foram obtidas com auxílio de rede e as de perifíton pela coleta e remoção das diatomáceas aderidas aos talos de macrófitas aquáticas submersas. O material foi oxidado e analisado em microscopia de luz e eletrônica de varredura. Seis gêneros e o total de 36 táxons foram identificados. Características morfológicas e dimensões das frústulas foram providenciadas para todos os táxons registrados. Das espécies identificadas, as seguintes 13 são novos registros para o PEFI: Cymbella tropica, C. turgidula var. venezoelana, Encyonema neogracile var. tenuipunctata, E. angustecapitatum, E. cf. brevicapitatum, Placoneis constans var. symmetrica, P. hambergii, P. undulata, Gomphonema parvulum var. exilissimum, G. augur var. turris, G. brasiliense subsp. pacificum, G. laticollum e G. urugayense.

          Translated abstract

          The floristic survey of Cymbellales order (Bacillariophyceae) from the Parque Estadual das Fontes do Ipiranga (PEFI), São Paulo State, Brazil, is presented based on the analysis of 28 sampling units. Plankton samples were gathered with a plankton net and periphyton samples through collection and removal of diatoms attached to the stems of submerged plants. The samples were oxidized and analyzed under a light and a scanning electron microscope. Six genera and a total of 36 taxa were identified. Morphological characteristics and dimensions of the frustules were provided for all recorded taxa.Among the species identified, the following 13 are new records for the PEFI: Cymbella tropica, C. turgidula var. venezoelana, Encyonema neogracile var. tenuipunctata, E. angustecapitatum, E. cf. brevicapitatum, Placoneis constans var. symmetrica, P. hambergii, P. undulata, Gomphone maparvulum var. exilissimum, G. augur var. turris, G. brasiliense subsp. pacificum, G. laticollum, and G. urugayense.

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          Most cited references114

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          Avaliação taxonômica e ecológica das diatomáceas (Bacillariophyceae) epifíticas em algas pluricelulares obtidas dos litorais do Estado do Paraná, Santa Catarina e São Paulo

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            Atlas and catalogue of the diatom types of Friedrich Hustedt

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              Proposals for a standardization of diatom terminology and diagnoses.

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                Author and article information

                Journal
                hoehnea
                Hoehnea
                Hoehnea
                Instituto de Botânica (São Paulo, SP, Brazil )
                0073-2877
                2236-8906
                June 2014
                : 41
                : 2
                : 209-246
                Affiliations
                [02] São Paulo SP orgnameInstituto de Botânica orgdiv1Núcleo de Pesquisa em Ecologia Brasil
                [01] orgnameInstituto de Botânica orgdiv1Programa de Pós-graduação em Biodiversidade Vegetal e Meio Ambiente
                Article
                S2236-89062014000200005 S2236-8906(14)04100200005
                10.1590/S2236-89062014000200005
                890d0279-880d-4f3e-8ef0-be346c0a07c0

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

                History
                : 06 November 2012
                : 13 December 2013
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 80, Pages: 38
                Product

                SciELO Brazil

                Categories
                Artigos

                taxonomia,diatomáceas,São Paulo,diatoms,taxonomy
                taxonomia, diatomáceas, São Paulo, diatoms, taxonomy

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