Septoria anemones Desmazieres, 1838

on Anemone

Anemone nemorosa, Belgium, prov. Limbourg, Sint-Truiden, Provinciaal domein Nieuwenhoven-Mielenbos, 30.iv.2019 © Carina Van Steenwinkel

light infestation

dying lead

died lead

extruded conidia mass

conidia

conidia; the measurements in this material were 1 x 24-35 µm, 0-2 septate.

parasite

Pycnidia epiphyllous. The length of the conidia is 20-22 µm according to Grove and Ellis & Ellis, however 16-35 µm according to Brandenburger.

host plants

Ranunculaceae, (narrowly?) monophagous

Anemone nemorosa.

distribution within Europe

(PESI, 2019).

notes

Brandenburger mentions two more Septoria species on Anemone, viz., S. silvicola Desmazières, 1859, with up to 3-septate spores p 2-3 x 32-39 µm, and S. wodziczkiana Dominik, 1934 with 2-7 septate spores measuring 1-2 x 27-56 µm. The latter species is excluded from Septoria by the Index Fungorum (2019).

references

Brandenburger (1985a: 138), Ellis & Ellis (1997a), Grove (1935a), Negrean (1996b), Ruszkiewicz-Michalska (2006a).