Phacellium episphaerium (Desmazières) Braun, 1990

on Myosoton, Stellaria

Stellaria alsine, Belgium, prov. Flemish Brabant, Zichem-Catselt © Carina Van Steenwinkel

leaf spot, upperside

leaf spot, underside

conidiophore bundle

another aspect

another aspect

conidia almost all aseptate

parasite

The leaf spots are amphigenous. Conidia 3-8 x 6-22 µm.

host plants

Caryophyllaceae, narrowly oligophagous

Myosoton aquaticum; Stellaria alsine, crassifolia, graminea, holostea, media, nemorum, palustris.

synonyms

Ramularia episphaeria (Desmazières) Gunnerbeck 1967.

notes

See under Mycosphaerella isariphora for a possible relation between both.

references

Brandenburger (1985a: 103), Braun (1998a), Jage, Scholler & Klenke (2010a), Kozłowska, Mułenko & Heluta (2015a), Mułenko & Kozłowska (2010a), Kruse (2014a, 2019a), Mułenko, Sałata & Wołczańska (1995a), Poelt & Fritz-Schroeder (1983a).