Ustilago bromina Sydow & Sydow, 1924

on Bromus s.l.

gall

Brown parallel striae run over the leaves; they later desintegrate, splitting the leaf into ribbons. Spores dark brown, 8-12 x 11-15 µm, roundish-oval, the wall is finely spinulose.

host plants

Poaceae, narrowly oligophagous

Bromopsis benekenii, erecta, inermis; Bromus hordeaceus, secalinus.

synonyms

Vánky (1994) considered bromina a synonym of striiformis, but later this has been refuted by Savchenko ao.

references

Buhr (1964b), Klenke & Scholler (2015a), Kruse, Thiel, Beenken ao (2018d), Savchenko, Carris, Castlebury ao (2014b), Vánky (1994a).

mod 2.ix.2019