Hattoria
Online ISSN : 2423-8961
Print ISSN : 2185-8241
ISSN-L : 2185-8241
Taxonomic reevaluation of Didymodon nigrescens (Pottiaceae) in Japan
Yuya INOUEJuan A. JIMÉNEZTakumi SATOHiromi TSUBOTATomio YAMAGUCHI
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2020 年 11 巻 p. 61-75

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  Based on morphological investigation and molecular phylogenetic analysis, we find that the previous concept of Didymodon nigrescens (Mitt.) K.Saito sensu Saito in Japan includes D. nigrescens and D. subandreaeoides (Kindb.) R.H.Zander, the latter newly reported from Japan. Morphological and phylogenetic data from Japanese material clearly segregate these species from each other. In addition, Japanese D. nigrescens shows two groups, with morphological traits supporting the phylogeny, requiring further morpho-molecular evaluation based on broad sampling. Descriptions with analytical illustrations are provided based on Japanese material. Andreaea takakii Sakurai is proposed as a synonym of D. subandreaeoides.

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© 2020 Hattori Botanical Laboratory
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