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Morphological comparisons and multi locus phylogenetic analyses (base on the combined genes of ITS, LSU, rpb 2 and tub ) demonstrated that three new saprobic taxa isolated from bamboo belong to Cainiaceae. These taxa comprise a novel genus Paramphibambusa ( P. bambusicola sp. nov. ) and two new species, Arecophila xishuangbannaensis and A. zhaotongensis . The three new taxa belong to Cainiaceae (Xylariales, Sordariomycetes) a poorly studied family, which now comprises eight genera. Paramphibambusa can be distinguished from other Cainiaceae genera in having ascomata with a neck and ascospores lacking longitudinal striation, germ slits or germ pores. The two new Arecophila species clustered in a clade with Arecophila sp. and A. bambusae . Detailed morphological descriptions, illustrations, and an updated phylogenetic tree are provided for the new taxa.
Han et al. (Tue,) studied this question.