Phylogeny and taxonomy of Ceriporia and other related taxa and description of three new species

ABSTRACT

Species of Ceriporia (Irpicaceae, Basidiomycota) are saprotrophs or endophytes in forest ecosystems. To evaluate the taxonomy and generic relationships of Ceriporia and other related taxa, we used morphology and multigene phylogenetic analyses based on sequence data from nuc rDNA internal transcribed spacer ITS1-5.8S-ITS2 (ITS) region, nuc 28S rDNA (28S), and RNA polymerase II largest subunit (rpb1). Our results show that Ceriporia sensu lato is polyphyletic and distributed across multiple clades in the Irpicaceae, Phanerochaetaceae, and Meruliaceae. Some species previously considered in Ceriporia are now recovered in Meruliopsis, resulting in four new combinations: M. albomellea, M. crassitunicata, M. nanlingensis, and M. pseudocystidiata. Two new species of Meruliopsis are described: M. leptocystidiata from northeast China and South Korea and M. parvispora from Taiwan. Ceriporia arbuscula is described as a new species from Taiwan. Ceriporia mellita and Meruliopsis nanlingensis are newly recorded from Japan and Taiwan, and M. taxicola is recorded from Taiwan for the first time.

KEYWORDS:

• Leptoporus
• phlebioid clade
• Polyporales
• systematics
• wood-inhabiting fungi
• 7 new taxa

ACKNOWLEDGMENTS

We are grateful to the curator of BJFC for the loan of some type specimens, to Siou-Zhen Chen (TNM) for curating studied specimens, to Chiung-Chih Chang (TNM) who helped in preparing figures, and to Ronnie Gicana (NCHU) for improving the manuscript. We also gratefully acknowledge the anonymous reviewers and editors  (P. Brandon Matheny and Ricardo Garcia-Sandoval) who handled our paper for their valuable suggestions and discussions.

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Additional information

Funding

This study was financed by the Ministry of Science and Technology of ROC (Taiwan) (Grant No. MOST 107-2621-B-178-002-MY3).