Ustilago salveii Berkeley & Broome, 1850

on Holcus

Ustilago salveii on Holcus mollis

Holcus mollis, Belgium, prov. Antwerp, Balen, Griesbroek © Carina Van Steenwinkel

Ustilago salveii on Holcus mollis

stripes on the upper side of the leaf …

Ustilago salveii on Holcus mollis

and on de underside

Ustilago salveii: spores

spores 10-12 µm

Ustilago salveii: sori on Holcus lanatus

Holcus lanatus, Hungary, Mosonmagyaróvár, 4.v.2018 © László Érsek

Ustilago salveii: sori on Holcus lanatus

the sori remain long covered by the greyish epidermis

Ustilago  
 salveii: sori on Holcus lanatus

transverse section through three sori

Ustilago salveii: spore mass on Holcus lanatus

spore mass

parasite

Morphologically like U. striiformis.

host plants

Poaceae, monophagous

Holcus lanatus, mollis.

synonyms

Ustilago salweyi: Kruse ao.

references

Kruse, Dietrich, Zimmerman ao (2018a).

mod 11.viii.2019