Plant Parasites of Europe

leafminers, galls and fungi

gallers on Lobularia

Dichotomous table for gallers on Lobularia maritima

by Hans Roskam

1a On parts above ground => 2

1b Conspicuous, spindle-shaped to cylindrical, fleshy swellings on roots.
Plasmodiophora brassicae

2a Upperside of the leaf with purple, ultimately brown spots. Underside with a greyish-white fungal down consisting of erect conidiophores; towards the tip these are several times branching at right angles. Conidia egg-shaped. Hyaloperonospora lobulariae

2b Usually all flowers of a single or several inflorescences greened. Aceria drabae

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