Abstract
During our taxonomic effort to document the woody litter microfungi of the Greater Mekong Subregion (GMS), two collections of lophiostomataceae-like taxa were isolated from terrestrial habitats in China. Flabellascoma lancangense sp. nov. was isolated from dead woody twigs of Castanopsis indica, and a new collection was made for Biappendiculispora japonica from dead woody twigs of Camphora glandulifera. Phylogenetic analysis of combined SSU, LSU, ITS, tef1-α, and rpb2 sequence data was used to confirm the placement of our collections in Lophiostomataceae. Flabellascoma lancangense is characterized by globose to subglobose ascomata, which are immersed under the host substrates, short papillate, crest-like ostiole with a pore-like opening, filled with hyaline periphyses, peridium comprising thick-walled cells of textura angularis to globulosa cells, cellular pseudoparaphyses, cylindrical to cylindric-clavate asci with a truncate pedicel and a minute ocular chamber, hyaline, ellipsoidal 2-celled ascospores with large guttules in each cell. Detailed descriptions and illustrations are provided, with notes discussing allied species in the family.
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