Parastagonospora (genus)

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Parastagonospora nodorum - A, C) ascomata and conidiomata forming in culture, B, D, F) asci with ascospores, E, G) conidia, scale bars = 10 μm (click on image to enlarge it)
Author(s): W. Quaedvlieg, G.J.M. Verkley, H.-D. Shin, R.W. Barreto, A.C. Alfenas, W.J. Swart, J.Z. Groenewald and P.W. Crous
Source: Studies in Mycology, 2013, 75, p. 363

Parastagonospora Quaedvlieg, Verkley & Crous 2013

This genus of ascomycete fungi contains several important pathogens of cereals, above all Parastagonospora nodorum causing "Stagonospora nodorum blotch". The original description of the genus (see Quaedvlieg et al., 2013) includes the following note:

"Parastagonospora is distinguished from Stagonospora in that Stagonospora has conidiogenous cells that proliferate percurrently, or via phialides with periclinal thickening, and conidia that are subcylindrical to fusoid-ellipsoidal. Sexual morphs known for species of Parastagonospora are phaeosphaeria-like, whereas those observed for Stagonospora s. str. are didymella-like".

Type species: Parastagonospora nodorum.

For a taxonomic review of this genus see Marin-Felix et al. (2019).


Currently, the following species have been entered into the system: