Ramularia abscondita (Fautrey & Lambotte) Braun, 1988

on Arctium

Arctium lappa, Belgium, prov. Flemish Brabant, Haacht, Haachts Broek © Carina Van Steenwinkel

underside of an infected leaf

detail

colony with conidiophores

gall

Conidiophores in bundles, 10-30 µm long; conidia in chains, 2-5 x 5-20 µm, generally aseptate.

hostplants

Asteraceae, monophagous

Arctium lappa, minus, nemorosum, palladinii, tomentosum.

synonyms

Ramularia filiaris var. lappae Bresadola, 1896; Ramularia lappae (Bresadola) Ferraris, 1913.

references

Brandenburger (1985a: 655), Braun (1998a), Chater, Woods, Stringer, ao (2021a), Ellis & Ellis (1997), Ruszkiewicz-Michalska & Połeć (2014a).