Peronospora verbasci Gäumann, 1923

on Verbascum


development of the plant disturbed; upperside of the lef with yellow spots. Underside there with abrownish purple fungal cover of 0.8 mm high erect conidiophores that apically several times are branching, each terminal branch ending in a conidium.


Scrophulariaceae, monophagous

Verbascum blattaria, chaixii subsp. austriacum, densiflorum, lychnitis, nigrum, phlomoides, speciosum, thapsus & subsp. montanum


Brandenburger (1985a), Doppelbaur, Huber & Poelt (1965a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Müller (2015a), Müller & Kokeš (2008a), Săvulescu (1948a).

mod 2.ix.2018