@ARTICLE{TreeBASE2Ref24322, author = {Taiga Kasuya}, title = {Occurrence of Russula paludosa in alpine dwarf pine (Pinus pumila) forests in Japan}, year = {2015}, keywords = {Alpine mycobiota, Phylogeography, Russula decolorans, Russula xerampelina, Taxonomy}, doi = {}, url = {http://}, pmid = {}, journal = {Mycoscience}, volume = {}, number = {}, pages = {}, abstract = {Ishikawa Mycology Association has investigated mycobiota in the alpine zone of Mt. Hakusan in Japan for more than 20 years. Among agaric fungi found in the alpine dwarf pine (Pinus pumila) forests, dominant, large, stout, red Russula species were temporarily named Hakusan-akane-hatsu (HAH) in Japanese, and 11 samples were deposited in the National Museum of Nature and Science. To clarify whether HAH is a known species of Russula and also whether HAH is a single species, DNAs of the HAHs deposited in the Herbarium, together with HAHs newly collected since 2009 were sequenced and the microscopic features of the fungi were examined. From the paraformaldehyde-fumigated samples deposited in the Herbarium, short sequences of the ITS2 region were amplified and sequenced, and the ITS1 to ITS2 region was also sequenced as a universal DNA barcode marker. Many of the samples showed identical sequences with R. paludosa reported from the northern part of Europe, and others were identified as R. xerampelina, R. decolorans and unknown species of Russula. This is the first record in Japan of R. paludosa (the main species of HAH). The finding of identical sequences of R. paludosa in northern Europe and Japan suggests a relatively recent migration southward to Japan, possibly during the last glacial period.} }

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