Taxonomic Study of the Genus Abundisporus in Korea
2015
Jargalmaa, S., Seoul National University, Seoul, Republic of Korea | Park, M.S., Seoul National University, Seoul, Republic of Korea | Park, J.Y., Seoul National University, Seoul, Republic of Korea | Fong, J.J., Science Unit, Lingnan University, Tuen Mun, Hong Kong | Jang, Y., Korea Forest Research Institute, Seoul, Republic of Korea | Lim, Y.W., Seoul National University, Seoul, Republic of Korea
The polypore genus Abundisporus Ryvarden is characterized by resupinate to pileate fruitbodies with a purplish brown hymenophore, slightly thick-walled, pale yellowish and non-dextrinoid basidiospores, and causing white rot. A purple color hymenophore, an easily observable and striking character, was considered the main distinctive feature at the generic level within polypores. However, due to highly similar basidiocarp features, species identification within these purple polypores is particularly difficult. Three species of purple colored polypores have been reported in Korea (Abundisporus fuscopurpureus, A. pubertatis, and Fomitopsis rosea). Based on morphological re-examination, ecological information, and sequence analysis of the internal transcribed spacer, we showed that previous classification was incorrect and there is only one species (A. pubertatis) in Korea. We provide a detailed description of A. pubertatis in Korea, as well as a taxonomic key to distinguish wood rot fungi with a purple hymenophore.
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