Caatingomyces
Caatingomyces T.G.L. Oliveira, Souza-Motta, O.M.C. Magalh. & J.D.P. Bezerra, in Hyde et al., Fungal Diversity 96: 10 (2019).
Index Fungorum number: IF 827888; Facesoffungi number: FoF 05818, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Endophytic in plants. Sexual morph: Unknown. Asexual morph: Mycelium superficial or immersed, hyaline to medium brown, septate, branched, hyphae thin-walled, broad and darker when adhered to the conidiomata. Conidiomata pycnidial, superficial or immersed, isolated or clustered, globose to subovoid, medium brown when young and dark at maturity, pseudoparenchymatous, glabrose, thin-walled. Neck absent or poorly developed, conidia released by irregular rupture. Conidiogenous cells phialidic, slightly tapered and truncated at the apex with robust base, sometimes branched, hyaline to medium brown, formed from the internal cells of the pycnidial wall. Conidia hyaline, aseptate, ellipsoid, obtuse apex with truncated base, smooth, thin-walled (adapted from Hyde et al. 2019).
Type species: Caatingomyces brasiliensis T.G.L. Oliveira, Souza-Motta, O.M.C. Magalh. & J.D.P. Bezerra
Notes: Caatingomyces is characterised by hyaline to medium brown, septate mycelium, pycnidial, superficial or immersed conidiomata, phialidic conidiogenous cells and hyaline, aseptate, ellipsoid conidia. Caatingomyces differs from Readeriella in having thick conidiomatal wall, single and circular ostiole and different shapes of conidiogenous cells producing three collarettes and deltoid, thick-walled and guttulate conidia with 3 lateral obtuse projections (Sutton 1980; Hyde et al. 2019). Caatingomyces differs from Parapenidiella in having conidia organized in branched acropetal chains, pigmented ramoconidia and erect, macronematous conidiophores (Crous et al. 2012). Caatingomyces also differs from Eupenidiella in having erect and solitary, terminally penicillate conidiophores and subcylindrical conidia arranged in branched chains and secondary conidia (Quaedvlieg et al. 2014). Caatingomyces is morphologically and phylogenetically a distinct genus in Teratosphaeriaceae. Molecular markers available for Caatingomyces include LSU, ITS, TEF-1 and RPB2 sequence data.
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