Peronospora rubiae Gäumann, 1923
on Rubia
gall
underside of the leaves with a greyish white fungal down, consisting of erect, distally repeatedly dichotomously branched conidiophores. The conidia are egg-shaped.
hostplants
Rubiceae, monophagous
Rubia peregrina, tinctorum.
references
Brandenburger (1985a), Gustavsson (1991a), Klenke & Scholler (2015a).
11/09/2015