Weddellomyces
Weddellomyces D. Hawksw., Notes R. Bot. Gdn Edinb. 43(3): 511 (1986).
Index Fungorum number: IF 25083; Facesoffungi number: FoF 08201, 12 morphological species (Species Fungorum 2022), no molecular data available.
Lichenicolous on host. Sexual morph: Ascomata subglobose, black, pseudoparenchymatous, opening irregularly, upper part distinctly cephalothecoid but the lower formed of irregularly orientated cells. Hamathecium of pseudoparaphyses. Asci subcylindrical to elongate-clavate, bitunicate, 8-spored. Ascospores ellipsoid, (l-)3septate, golden brown, verruculose. Asexual morph: Unknown (adapted from Hawksworth 1986).
Type species: Weddellomyces epicallopisma (Wedd.) D. Hawksw.
Notes: Weddellomyces is characterised by perithecioid ascomata, ascomatal wall forming blocks of cephalothecioid plates, subcylindrical to elongate-clavate asci and gold brown, verruculose, guttulate (l−)3-septate ascospores. Hawksworth et al. (1986) treated Weddellomyces in Dothideales. Kirk et al. (2001), Lumbsch and Hundorf (2007) and Hyde et al. (2013) placed Weddellomyces in Dacampiaceae based on morphology. Diederich et al. (2018) placed Weddellomyces in Dothideomycetes genera incertae sedis. Calatayud and Navarro-Rosinés (1998) provided an account of Weddellomyces and accepted eight species. Weddellomyces is currently a distinct genus in Dacampiaceae but molecular data is lacking. Fresh collections with DNA sequence data are needed to confirm the taxonomic placement of Weddellomyces.
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