Specimens belonging to the Cymbellaaffinis / Cymbellatumidula / Cymbellaturgidula species complex have many taxonomic problems, due to their high morphological variability and lack of type designations. Fifteen taxon names of this complex, distributed in five species, were re-evaluated concerning their taxonomic status, and lectotypified based on original material. In addition to light microscopy, some material was analyzed by electron microscopy. Four new combinations are proposed in order to reposition infraspecific taxa.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4547021 | PMC |
http://dx.doi.org/10.3897/phytokeys.53.4782 | DOI Listing |
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