Tilletia bromi (Brockm.) Brockm.


Thecaphora guyotiana Hariot
Tilletia belgradensis Magnus
Tilletia bromi (Brockm.) Nannf.
Tilletia bromi-tectorum Urries
Tilletia bromina Maire
Tilletia decamarae Unamuno
Tilletia fahrendorfii Vienn.-Bourg.
Tilletia fusca Ellis & Everh.
Tilletia guyotiana Hariot
Tilletia madeirensis Syd.
Tilletia narduri Nagorny
Tilletia narduri Unamuno
Tilletia velenovskyi Bubák
Tilletia vulpiae Magnus
Tilletia vulpiae f. myuros Gonz. Frag.
Ustilago bromi Brockm.


Sori in ovaries, covered by a thin fragile pericarp, containing the pale to dark reddish brown powdery spore mass.

Spores globose, subglobose, ovoid or sometimes irregular, 20–28 × 18–22 µm, pale yellow to light reddish brown; wall reticulate, sometimes incompletely so, 6–10 meshes per spore diameter, 1–4 (–5) µm wide; muri 1.5 µm high.

Sterile cells globose, 12–20 µm diam., subhyaline to pale yellow; wall smooth, 1.0–1.5 µm thick; contents granular, guttulate or vacuolate.

Host family: Poaceae
Host species: Vulpia bromoides (L.) Gray
Vulpia myuros (L.) Gmelin


States & Territories: NSW, SA, VIC


The spores in some of the Australian specimens of T. bromi measure 15–20 µm diam., which is small for this species.