Authors: SAOWALUCK TIBPROMMA, DINUSHANI ANUPAMA DARANAGAMA, SARANYAPHAT BOONMEE, ITTHAYAKORN PROMPUTTHA, SUREEPORN NONTACHAIYAPOOM, KEVIN DAVID HYDE
Abstract: An Anthostomella-like taxon was obtained from Pandanus odorifer (Forssk.) Kuntze (Pandanaceae) collected in Krabi Province in Thailand. Morphological data plus phylogenetic analyses of combined ITS, LSU, RPB2, and β-tubulin sequence data clearly separate this Anthostomella-like taxon from other known genera in Xylariaceae. In this paper, we introduce this taxon as a new genus, Anthostomelloides, in the family Xylariaceae, with A. krabiensis as the type. A detailed morphological description, phylogenetic tree, photomicrographs of A. krabiensis, keys to Anthostomella-like genera, and a comparison of A. krabiensis with the morphologically similar taxa in Xylariaceae are provided.
Keywords: Anthostomella-like genera, multigene phylogeny, sexual morph, taxonomy, Xylariales
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