Moesziomyces bullatus (Schröter) Vánky (1977)
on Echinochloa

Echinochloa spec., Belgium, prov. Limburg, Beverlo, Vallei van de Grote Beek © Carina Van Steenwinkel

detail

sorus, still partly in its membrane

clumps of spores

spores

Echinochloa spec., Belgium, prov.Antwerp, Balen, Griesbroek © Carina Van Steenwinkel: sori in an old inflorescence (mid-November)

fallen sori, some burst open
gall
Individual ovaries are turned into small smut sori. When they open reddish to blackish brown spores are released, united in small clusters.
host plants
Poaceae, oligophagous
Echinochloa crus-galli, muricata; Paspalum dischichum.
synonyms
Tolyposporium bullatum Schröter, 1887.
notes
can be confused with the much more numerous Ustilago trichophora. The sorus membrane is thin and smooth in bullatus, thick and hispid in trichophora.
references
Almaraz (1998a), Buhr (1964b), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Prillinger, Wuczkowski, Lopandic ao (2009a), Savchenko, Carris, Castlebury ao (2014b), Savchenko & Heluta (2012a), Scholz & Scholz (2013a), Tomasi (2014a), Vanderweyen & Fraiture (2014a), Vánky (1994a), Vánky & Abbasi (2013a).