Journal
MYCOTAXON
Volume 124, Issue -, Pages 173-188Publisher
MYCOTAXON LTD
DOI: 10.5248/124.173
Keywords
taxonomy; Macowanites; Russulales; Russulaceae; Basidiomycota
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Funding
- National Natural Science Foundation of China [30770013]
- International Cooperation Program of Ministry of Science and Technology of the People's Republic of China [2009DFA31160]
- Hundred Talents Program of the Chinese Academy of Science
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Two new species of Russula are described from southwestern China based on morphology and ITS1-5.8S-ITS2 rDNA sequence analysis. Russula atroaeruginea (sect. Griseinae) is characterized by a glabrous dark-green and radially yellowish tinged pileus, slightly yellowish context, spores ornamented by low warts linked by fine lines, and numerous pileocystidia with crystalline contents blackening in sulfovanillin. Russula sichuanensis, a semi-sequestrate taxon closely related to sect. Laricinae, forms russuloid to secotioid basidiocarps with yellowish to orange sublamellate gleba and large basidiospores with warts linked as ridges. The rDNA ITS-based phylogenetic trees fully support these new species.
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