2014
DOI: 10.1590/s2236-89062014000200005
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Abstract: -(Cryptogams of the Parque Estadual das Fontes do Ipiranga, São Paulo, SP. Algae 36: Bacillariophyceae (Cymbellales)).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… Show more

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Cited by 11 publications
(5 citation statements)
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“…Finally, Frustulia crassinervia, considered a species that occurs in oligotrophic environments (van Dam et al, 1994) is a characteristic member of phytobenthos in acid, peaty waters (such as Sphagnum bogs), and many ephemeral habitats (Krammer & Lange Bertalot, 1986;Round et al, 1990;Veselá et al, 2012). Encyonema neomesianum, widely reported in São Paulo State (Marquardt & Bicudo, 2014), is considered an oligotrophic taxon, with an optimum in alkaline waters (Moro & Fürstenberger, 1997).…”
Section: Discussionmentioning
confidence: 99%
“…Finally, Frustulia crassinervia, considered a species that occurs in oligotrophic environments (van Dam et al, 1994) is a characteristic member of phytobenthos in acid, peaty waters (such as Sphagnum bogs), and many ephemeral habitats (Krammer & Lange Bertalot, 1986;Round et al, 1990;Veselá et al, 2012). Encyonema neomesianum, widely reported in São Paulo State (Marquardt & Bicudo, 2014), is considered an oligotrophic taxon, with an optimum in alkaline waters (Moro & Fürstenberger, 1997).…”
Section: Discussionmentioning
confidence: 99%
“…Spaced and convergent striae towards the middle part of the valves and parallel to the apices. In Brazilian environments, Gomphonema pantropicum is often misidentified as Gomphonema subtile Ehrenberg (Osorio et al 2017, Marra et al 2016, Marquardt & Bicudo 2014. Gomphonema subtile presents the valves with broadly capitate ends, a long and narrow "neck" and flatly-rounded apices (Reichardt 2015b).…”
Section: Gomphonema Lagenula Kützing Figures: 3l-3mmentioning
confidence: 99%
“…The new species was recorded as E. angustecapitatum in Marquardt & BiCudo (2014). However, ultrastructural analysis showed that the Casa Branca specimens have rounded areolae, whereas in the type material are lineolate.…”
Section: Taxonomic Remarksmentioning
confidence: 91%
“…Nevertheless, this taxon differs from the type material for absence of shoulders especially on its ventral margin. Finally, Marquardt & BiCudo (2014) reported E. angustecapitatum during the floristic survey of the Cymbellales (Bacillariophyceae) from the Parque Estadual das Fontes do Ipiranga (PEFI), São Paulo city, southeast Brazil. Although a brief description and illustration of the above specimens were available, clear differences can be noticed when it is compared to the type material, such as the presence of a lanceolate, ventral axial area and the absence of well-defined shoulders.…”
Section: Distribution and Ecologymentioning
confidence: 99%