Mycosphaerellales » Mycosphaerellaceae


Neoovularia U. Braun, Nova Hedwigia 54(3-4): 473 (1992).

Index Fungorum number: IF 26306; Facesoffungi number: FoF 08629, 3 morphological species (Species Fungorum 2022), no molecular data available.

Associated with leaf spot. Sexual morph: Unknown. Asexual morph: Caespituli amphigenous, whitish to pink or ochraceous. Mycelium consisting of hyaline to faintly pigmented, septate, branched, thin-walled hyphae forming well-developed stromata. Conidiophores arising from stromata, emerging through stomata or erumpent through the cuticle, often forming sporodochia, subcylindrical, subclavate, simple, thin-walled, smooth, hyaline or lightly pigmented, continuous or septate. Conidiogenous cells integrated, terminal, straight to moderately geniculate-sinuous, polyblastic and sympodial, conidiogenous loci numerous, conspicuous, bulging, papilla-like, but not thickened and darkened, at most slightly refractive. Conidia formed singly, subglobose, obovoid, ellipsoid, aseptate, hyaline to faintly pigmented, thin-walled, smooth to verruculose, basal hilum not thickened or darkened; conidial secession schizolytic (adapted from Videira et al. 2017).


Type species: Neoovularia nomuriana (Sacc.) U. Braun


Notes: Neoovularia is characterised by amphigenous, whitish to pink or ochraceous caespituli, subcylindrical, subclavate, simple, thin-walled conidiophores, integrated, terminal, straight to moderately geniculate-sinuous conidiogenous cells and subglobose, obovoid, ellipsoid, aseptate, hyaline to faintly pigmented conidia. The placement of Neoovularia in Mycosphaerellaceae is doubtful. Molecular data is lacking. Fresh collections with DNA sequence data are needed to confirm the taxonomic placement of the genus.


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