@ARTICLE{TreeBASE2Ref28868, author = {Misato Matsumura and Wataru Kato and Akira Hashimoto and Yukiko Takahashi and Takashi Shirouzu and Kazuaki Tanaka}, title = {Crassiperidium (Pleosporales, Dothideomycetes), a new ascomycetous genus parasitic on Fagus crenata in Japan}, year = {2018}, keywords = {3 new taxa, Ascomycota, Cyclothyriellaceae, Phylogeny, Pseudoasteromassaria, Taxonomy}, doi = {10.5943/mycosphere/9/6/13}, url = {http://www.mycosphere.org/pdf/MYCOSPHERE_9_6_13.pdf}, pmid = {}, journal = {Mycosphere}, volume = {9}, number = {6}, pages = {1256--1267}, abstract = {A new genus, Crassiperidium, is established to accommodate two new species, C. octosporum and C. quadrisporum, found on twigs of the Fagus crenata in Japan. Crassiperidium is characterized by globose to depressed globose ascomata with a well-developed ascomatal wall at the sides, clavate asci, broadly fusiform, hyaline ascospores, pycnidial conidiomata, and cylindrical, multi-septate, hyaline conidia produced by annellidic conidiogenous cells. Phylogenetic analyses of a combined dataset of SSU and LSU nrDNA, and RPB2 revealed that Crassiperidium is close to Cyclothyriellaceae (Pleosporales, Dothideomycetes), but its familial placement was unresolved. The two new species of Crassiperidium have similar-sized ascospores and conidia, but the asci are 8-spored in C. octosporum and 4-spored in C. quadrisporum. Phylogenetic analyses of Crassiperidium species based on the sequences of ITS, TEF1, RPB2, and a combined dataset of these three loci support the validity of these two species. } }

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