Epitypification of Ganoderma sichuanense J.D. Zhao & X.Q. Zhang (Ganodermataceae)

Authors: Yao, Yi-Jian1; Wang, Xin-Cun2; Wang, Bo3

Source: Taxon, Volume 62, Number 5, 22 October 2013 , pp. 1025-1031(7)

Publisher: International Association for Plant Taxonomy

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Abstract:

The widely cultivated Chinese Ganoderma, as "Ling-zhi" in Chinese and previously named as “G. lucidum”, is an important fungus with significant medicinal and economic values. The species identity of the fungus was recently clarified as G. sichuanense based on both morphological and molecular data, but an unusual ITS sequence inconsistent with morphological characters was also reported from the holotype of G. sichuanense. The ITS sequence is proved to be of G. weberianum, a species distinctly different from G. sichuanense in morphology. However, repeated amplifications of DNA fragments from the holotype of G. sichuanense were unsuccessful because of the specimen's condition. In order to interpret the species concept of the taxon, both morphologically and molecularly, an epitype of G. sichuanense is designated in this paper from recent collections with living strains from the type locality of the species. Ganoderma lingzhi, a recently proposed new species name for Ling-zhi widely cultivated in China, is determined as a later synonym of G. sichuanense.

Keywords: CHINA; GANODERMA LINGZHI; GANODERMA LUCIDUM; LING-ZHI; POLYPORES

Document Type: Research Article

DOI: http://dx.doi.org/10.12705/625.10

Affiliations: 1: State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China, Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AB, U.K.;, Email: yaoyj@im.ac.cn 2: State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China 3: Soil and Fertilizer Institute, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China

Publication date: October 22, 2013

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