Entyloma tanaceti Sydow, 1936

on Tanacetum

Tanacetum vulgare, Belgium, prov. Flemish Brabant, Zichem, Demerbroeken © Carina Van Steenwinkel: aspect in the field

underside

leaf spots

underside

heavy, or far advanced, infection

mass of spores in in opened sorus

spores

gall

yellowish white to light brown leaf spots, up to 3 mm large sometimes with a paler, vague marginal zone. They appear dark when lighted from behind. In the tissue smooth, hyaline spores.

hostplants

Asteraceae, monophagous

Tanacetum vulgare.

references

Kleinke & Scholler (2015a), Kruse, Thiel, Choi ao (2016a), Vánky (1994a).