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