Myriangiales » Myriangiaceae


Uleomyces Henn., Hedwigia 34: 107 (1895).

Index Fungorum number: IF 5657; Facesoffungi number: FoF 03682, 11 morphological species (Species Fungorum 2021), molecular data unavailable.

Hyperparasitic, fungicolous on leaves. Sexual morph: Ascostromata irregular effuse, in parasitic matrix, crustose, raised pulvinate, hump-shaped, tuberculate, lacking hypostroma, subglobose, semi-immersed, containing locules with individual asci, lacking pseudoparaphyses, stromata context dark red, rounded. Asci 8-spored, bitunicate, sub ellipsoid to broad clavate, sessile. Ascospores multi-seriate, conglobate, oblong-clavate to subperiform, muriform, multi-septate, sometimes constricted at the septa, brown to dark red. Asexual morph: Unknown (adapted from Hennings 1895).


Type species: Uleomyces parasiticus Henn.


Notes: Uleomyces was previously accommodated in Hypocreaceae. A new family Uleomycetaceae was introduced for Uleomyces but this was invalid. Uleomyces was later placed in Cookellaceae by Arx and Müller (1975) based on characters of ascostroma, asci and ascospores. This placement was accepted by several authors (Barr1997; Lumbsch and Huhndorf 2010). Uleomyces is characterised by irregular effuse ascostromata, that are hump-shaped, tuberculate, and lacking pseudoparaphyses, and muriform, multi-septate, brown to dark red ascospores. Boonmee et al. (2017) accepted Uleomyces in Myriangiaceae based on characters of ascostromata and ascospores.


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