Plant Parasites of Europe

leafminers, galls and fungi

Jamesdicksonia irregularis

Jamesdicksonia irregularis (Johanson) Bauer, Begerow, Nagler & Oberwinkler, 2001

on Poa


lead-coloured, finally black, up tot 2 mm large, amphigenous and slightly pustular leaf spots. Embedded in the host tissue are dense groups of smooth, yellow- to blackish-brown spores of strongly variable size.

host plants

Poaceae, narrowly oligophagous

Ochlopoa annua; Poa pratensis, trivialis.


Entyloma irregulare Johanson, 1884.


Almaraz (1998a) Klenke & Scholler (2015a), Piątek & Prończuk (2006a), Spooner & Leon (2006a), Vánky (1994a)

Last modified 26.vii.2023