Sclerotinia caricis-ampullacea Nyberg, 1933
2-4 mm long dark spots in the culm, usually in two rows, that spit open at at maturity. Then 3-4 µm sized, hyaline to light brown conidia are released. Later fusiform, black sclerotia are formed, up to 1.5 cm, from which a few long-stalked apothecia originate.
Carex aquatilis, rostrata.
Myriosclerotinia caricis-ampullacea (Nyberg) Buchwald, 1947.
Brandenburger (1985a: 867), Schumacher & Kohn (1985a).