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Mycologia. 2014 Sep-Oct;106(5):1039-50. doi: 10.3852/13-402. Epub 2014 Jul 1.

Morphological and molecular evidence for two new species of Laetiporus (Basidiomycota, Polyporales) from southwestern China.

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Institute of Microbiology, Beijing Forestry University, Beijing 100083, China.
Institute of Microbiology, Beijing Forestry University, Beijing 100083, China
College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming 650201, China.
Institute of Medicinal Plants, Yunnan Academy of Agricultural Sciences, Kunming 650223, China.


Two Laetiporus species, L. ailaoshanensis and L. zonatus spp. nov., are described from southwestern China based on morphological and molecular characters. Laetiporus ailaoshanensis is characterized by orange-yellow to reddish orange pileal surface and cream to buff pores when fresh, azonate to faintly zonate pileus, ovoid to ellipsoid basidiospores (5.0-6.2 × 4.0-5.0 μm), and it has been observed only on Lithocarpus. Laetiporus zonatus is characterized by white to cream pileal surface with buff to clay-buff base when fresh, concentrically zonate basidiocarps, ellipsoid to pyriform or drop-shaped basidiospores (5.8-7.2 × 4.3-5.5 μm), and it has been found only on Quercus. The phylogenetic relationships of all recognized Laetiporus species were inferred from a combined dataset of ITS and nLSU-rDNA sequences, and L. ailaoshanensis and L. zonatus represent two new lineages in this group.


Fomitopsidaceae; brown-rot fungi; phylogeny; polypore; taxonomy

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