Pleosporales » Phaeosphaeriaceae

Neostagonospora

Neostagonospora Quaedvl., Verkley & Crous, Stud. Mycol. 75: 364 (2013)

Index Fungorum number: IF 804440; Facesoffungi number: FoF 00250, 7 morphological species (Species Fungorum 2021), 7 species with molecular data.

Foliicolous. Sexual morph: Unknown. Asexual morph: Conidiomata immersed, pycnidial, globose, exuding a pale luteous to creamy conidial mass. Conidiomatal wall comprising 2–3 layers of pale brown textura angularis. Conidiophores reduced to conidiogenous cells. Conidiogenous cells phialidic, hyaline, smooth, aggregated, lining the inner cavity, ampulliform to doliiform, tapering at apex with prominent periclinal thickening. Conidia hyaline, smooth, granular, thin-walled, narrowly fusoid-ellipsoidal to sub cylindrical, apex sub obtusely rounded, base truncate, widest in middle, transversely euseptate, becoming constricted with age (Adapted from Quaedvlieg et al. 2013).

 

Type species: Neostagonospora caricis Quaedvl., Verkley & Crous

 

Notes: Neostagonospora was introduced by Quaedvlieg et al. (2013) with N. caricis as type species. Neostagonospora morphologically resembles Stagonospora in having pycnidial conidiomata with euseptate, hyaline, fusoid-ellipsoidal to subcylindrical conidia, but differs in having conidiogenous cells that are phialidic, with prominent periclinal thickening. Neostagonospora is a distinct and well-supported genus in Phaeosphaeriaceae.

 

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