Ustilago serpens (Karsten) Lindeberg, 1959
on grasses
gall
Stem and leaf sheaths, sometimes also the leaves, malformed and curled, with raised streaks that rupture and release masses of dark brown spores. The spores measure 12-15 x 13-19 µm; they are coarsely verrucose.
host plants
Poaceae, oligophagous
Agropyron cristatum; Bromopsis erecta; Elymus caninus; Elytrigia elongata, intermedia, juncea & subsp. boreoatlantica, repens; Leymus arenarius.
According to Klenke & Scholler also Brachypodium.
synonyms
Ustilago aculeata (Ule) Liro, 1915.
references
Almaraz (1998a), Brandenburger (1985a: 781), Kabaktepe & Bahçecioğlu (2012b), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Kruse, Dietrich, Zimmerman ao (2018a), Kruse, Thiel, Braun, ao (2018e), Kummer (2009a), Redfern & Shirley (2011a), Savchenko & Heluta (2012a), Scholz & Scholz (2013a), Spooner & Legon (2006a), Tomasi(2014a), Vanderweyen & Fraiture (2014a), Vánky (1994a), Vánky & Abbasi (2013a), Woods, Chater, Smith ao (2018a).