Plant Parasites of Europe

leafminers, galls and fungi

gallers on Lappula

Dichotomous table for gallers on Lappula

by Hans Roskam

1a On parts above ground => 2

1b Roots with nodular swellings. L. squarrosa, myosotis: Meloidogyne hapla

2a Large parts of plant disfigured. Excessive leafiness, abnormal pubescence or inflorescence stunted, ± densely pubescent, flowers stunted or partially leafy. L. squarrosa, myosotis: Aceria eutricha

2b Yellow, also reddish to brown nodules developing from a single cell, occasionally coalescing and sometimes with additional swelling on stems and leaf veins arranged in ridges or crusts. L. squarrosa, myosotis: Synchytrium myosotidis

Last modified 8.vii.2020