Acrocordiopsis
Acrocordiopsis Borse & K.D. Hyde, Mycotaxon 34(2): 535 (1989).
Index Fungorum number: IF 25277; Facesoffungi number: FoF 00786, 2 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on submerged wood. Sexual morph: Ascomata conical or semi-globose, occur on black stroma, gregarious, black, carbonaceous, superficial, axis vertical, base flattened, epapillate, ostiolate. Peridium composed of several layers of thick-walled, melanized cells, appearing black. Pseudoparaphyses numerous, filiform, anastomosing and septate, trabeculate, branched. Asci 8-spored, cylindrical, bitunicate, thick-walled, pedicellate, with an apical thickening and an ocular chamber. Ascospores uni-seriate, bi-celled, broadly ellipsoidal, hyaline, 1-euseptate, slightly constricted at the septum, with a large guttule in each cell, with small granules concentrated near the septum, thick walled. Asexual morph: Unknown (adapted from Bose & Hyde 1989, Dayarathne et al. 2020).
Type species: Acrocordiopsis patilii Borse & K.D. Hyde
Notes: Acrocordiopsis is characterised by conical or semi-globose ascomata, filiform, anastomosing and septate pseudoparaphyses, cylindrical, bitunicate, thick-walled asci and broadly ellipsoidal, hyaline, 1-euseptate ascospores. In the phylogenetic analysis of Suetrong et al. (2009) and Jones and Pang (2012), A. patilii formed a distinct paraphyletic lineage in Dothideomycetes. Hyde et al. (2013) treated Acrocordiopsis in Salsugineaceae based on DNA sequence data of Suetrong et al. (2009) and this was followed by Wijayawardene et al. (2018). Ariyawansa et al. (2015) transferred Acrocordiopsis to Caryosporaceae based on phylogeny. Dayarathne et al. (2020) re-instated Acrocordiopsis within Caryosporaceae based on phylogenetic evidence. More collections are needed to verify the status of the genus as molecular data of the type species of Caryospora, C. putaminum is not available.
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