Journal
MYCOLOGIA
Volume 105, Issue 4, Pages 945-958Publisher
TAYLOR & FRANCIS INC
DOI: 10.3852/12-201
Keywords
phylogeny; polypore; taxonomy; wood-inhabiting fungi
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Funding
- Fundamental Research Funds for the Central Universities [BLYJ201205, JC2013-1]
- National Natural Science Foundation of China [30900006, 31093440]
- Program for New Century Excellent Talents in University [NCET-11-0585]
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Four new resupinate species, Perenniporia hainaniana, P. macropora, P. russeimarginata and P. subtephropora, are described as new from southern China on the basis of morphological and molecular examination. Perenniporia hainaniana is characterized by a perennial growth habit, cream to buff pore surface, a dimitic to trimitic hyphal system with amyloid skeletal hyphae and presence of dendrohyphidia. Perenniporia macropora is distinguished by an annual growth habit, large pores (2-3 per mm), a dimitic hyphal system with branched skeletal hyphae and presence of dendrohyphidia. Perenniporia russeimarginata differs from other species in the genus by a perennial growth habit, white to cream pore surface and reddish to reddish brown sterile margin. Perenniporia subtephropora is characterized by a perennial growth habit, cream-buff to grayish buff pore surface, hymenophoral trama becoming black in KOH and a dimitic hyphal system with branched skeletal hyphae. Phylogenetic analysis inferred from the ITS and LSU-rDNA regions revealed eight clades for Perenniporia sensu lato with the four new species recognized in Perenniporia sensu stricto. The Perenniporia ochroleuca group, P. vicina group, P. martia group, P. subacida, Microporellus, Perenniporiella and Abundisporus, formed monophyletic entities respectively, and they are not related to P. medulla-panis (generic type), which belongs to Perenniporia sensu stricto. Abundisporus, Microporellus and Perenniporiella were widely applied as generic names. Other generic or clade names, Hornodermoporus, Truncospora, Vanderbylia and the P. subacida clade, have not been widely applied, but they are valid higher level taxa containing former species of Perenniporia. A key to genera and clades allied with Perennioporia sensu stricto and a key to species of Perennioporia are provided.
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