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A preliminary account of the <i>Cucurbitariaceae</i>

Walter M. JaklitschDivision of Systematic and Evolutionary Botany, Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Wien, AustriaJ. ChecaDpto. de Ciencias de la Vida, Facultad de Biología, Universidad de Alcalá, Alcalá de Henares, 28805 Madrid, SpainM.N. BlancoDpto. de Ciencias de la Vida, Facultad de Biología, Universidad de Alcalá, Alcalá de Henares, 28805 Madrid, SpainIbai OlariagaBiochemistry and Molecular Biology, Universidad del País Vasco/Euskal Herriko Unibertsitatea, Leioa, SpainS. TelloHermann VoglmayrDivision of Systematic and Evolutionary Botany, Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Wien, Austria

2017en

ABI

Annotatsiya

Fresh collections, type studies and molecular phylogenetic analyses of a multigene matrix of partial nuSSU-ITS-LSU rDNA, rpb2 , tef1 and tub2 sequences were used to evaluate the boundaries of Cucurbitaria in a strict sense and of several related genera of the Cucurbitariaceae . Two species are recognised in Cucurbitaria and 19 in Neocucurbitaria . The monotypic genera Astragalicola , Cucitella , Parafenestella , Protofenestella , and Seltsamia are described as new. Fenestella is here included as its generic type F. fenestrata (= F. princeps ), which is lecto- and epitypified. Fenestella mackenzei and F. ostryae are combined in Parafenestella . Asexual morphs of Cucurbitariaceae , where known, are all pyrenochaeta- or phoma-like. Comparison of the phylogenetic analyses of the ITS-LSU and combined matrices demonstrate that at least rpb2 sequences should be added whenever possible to improve phylogenetic resolution of the tree backbone; in addition, the tef1 introns should be added as well to improve delimitation of closely related species.

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DOI: 10.1016/j.simyco.2017.11.002

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