Abstract
Hypoxylon is one of the most specious genera in Xylariaceae, whose species are saprobes or facultative parasites. In a survey of the Hypoxylon species from Parque Estadual de São Camilo, municipality of the Palotina, West region of Paraná State (24°18′00″–24°19′30″S and 53°53′30″–53°55′30″W). Twelve taxa were found: H. anthochroum, H. griseobrunneum, H. lenormandii, H. monticulosum, Hypoxylon peleae, H. cf. pilgerianum, H. rickii, H rubigineoareolatum, H. rubiginosum, H. subgilvum, H. subrutilum, and Hypoxylon vinaceobrunneum. Among these, H. vinaceobrunneum is proposed as new species, based on the following characters: surface effused-pulvinate, brown vinaceous; without apparent KOH-extractable pigments or with dilute grayish sepia; ostioles slightly papillate; ascospores light brown to brown, 7–10 × 3–3.5 µm, with slightly germ slit shorter than the spore-length. H. peleae is new to South America, whereas H. griseobrunneum is new to Brazil, and all the remaining taxa are newly reported from the State of Paraná or Southern Brazil. Key for the identification, morphological descriptions, and illustrations are presented for all species.
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References
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Acknowledgments
We thank the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) for student fellowship to KSC, the Conselho Nacional de Desenvolvimento Científico e Tecnológico (Proc. 478373/2010-4) for financial support, and the Centro de Microscopia Eletrônica (CME) of Universidade Federal do Paraná (UFPR) for providing the SEM images.
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Cruz, K.S., Cortez, V.G. Hypoxylon (Xylariaceae, Ascomycota) from Western Paraná, Brazil. Braz. J. Bot 38, 889–901 (2015). https://doi.org/10.1007/s40415-015-0189-z
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DOI: https://doi.org/10.1007/s40415-015-0189-z