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Title
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Fragilaria subrecapitellata (Fragilariaceae, Bacillariophyta), a new diatom species from Switzerland
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Author
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Abstract
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| During a biomonitoring assignment in the Swiss canton Ticino, an unknown Fragilaria taxon was discovered that could not be identified using the currently available literature. The results of a morphological comparison with the type material of F. recapitellata, based on light and scanning electron microscopy, showed that the new Swiss taxon has sufficient differences to be separated as a new species: Fragilaria subrecapitellata sp. nov. The new species can be separated by its lanceolate to elliptic-lanceolate valve outline with convex valve margins, and its smaller valves compared to F. recapitellata. The distribution and iconography of F. recapitellata in literature data is analysed. As a result of this analysis, Fragilaria deformis is appointed as the correct name for the taxon generally known as F. candidagilae or F. capucina var. capitellata (Grunow) Lange-Bertalot in Krammer & Lange-Bertalot. |
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Language
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English
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Source (journal)
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Diatom research / International Society for Diatom Research. - Bristol
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Publication
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Abingdon
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Taylor & francis ltd
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2021
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ISSN
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0269-249X
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DOI
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10.1080/0269249X.2021.1942221
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Volume/pages
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36
:2
(2021)
, p. 119-131
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ISI
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000677899000001
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Full text (Publisher's DOI)
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