Pleosporales » Phaeosphaeriaceae


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 subcylindrical, 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 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 artemisiae, previously accommodated in Neostagonospora was transferred to Septoriella as S. artemisiae based on phylogenetic analyses by Marin-Felix et al. (2019). Hongsanan et al. (2020a) reinstated the species as N. artemisiae based on recommendations provided by Hyde et al. (2020b) and accepted seven species in Neostagonospora. Neostagonospora is a distinct and well-supported genus in Phaeosphaeriaceae. Molecular markers available for Neostagonospora are ITS, LSU, SSU, BTUB, RPB2 and TEF-1.


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