Peronospora polycarpi Mayor & Viennot-Bourgin, 1950

on Polycarpon

gall

underside of the leaves with a greyish purple fungal down consisting of vertical conidiophores that apically several times are dichotomously branching, each branch ending upon an ovoid conidium.

hostplants

Carophylloaceae, monophagous

Polycarpon tetraphyllum.

synonyms

the spelling “polycarponis” is incorrect, according to the Index Fungorum (2015).

references

Brandenburger (1985a: 96), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Gustavsson (1991a), Klenke & Scholler (2015a).

27/04/2017

mod 4.viii.2017