Plant Parasites of Europe

leafminers, galls and fungi

Microbotryum bistortarum

Microbotryum bistortarum (de Candolle) Vánky, 1998

on Bistorta


the flowers or bulbils are swollen and covered by a greyish membrane; when this ruptures a powdery, blackish-violet mass of spores is released. The infection is systemic. The spores are finely and densely verruculose.

host plants

Polygonaceae, monophagous

Bistorta officinalis, vivipara.


Ustilago bistortarum (de Candolle) Körnicke, 1877; Bauhinus bistortarum (de Candolle) Denchev, 1997; Sphacelotheca ustilaginea (de Candolle) Ito, 1935; Sphacelotheca borealis (Clinton), Schellenberg, 1907; Ustilago inflorescentiae (Trelease) Maire, 1907; Sphacelotheca inflorescentiae (Trelease) Maire, 1907; Sphacelotheca polygoni-vivipari Schellenberg, 1907.


Ainsworth & Sampson (1950a), Almaraz (1998a), Blumer (1946a), Brandenburger (1985a: 87), Chlebicki (2010a), Dauphin & Aniotsbehere (1997a), Hagen (1941a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kruse (2019a), Lutz & Vánky (2009a), Redfern & Shirley (2011a), Riegler-Hager (2015a), Savchenko & Heluta (2012a), Schmid-Heckel (1985a), Scholz & Scholz (2013a), Spooner & Legon (2006a), Vánky (1994a).

Last modified 31.viii.2019