secale cereale, veronica triphyllos, aphanes arvensis, arabidopsis thaliana, myosotis arvensis, stellaria media, veronica hederifolia, arenaria serpyllifolia, capsella bursa-pastoris, centaurea cyanus, roemeria argemone, viola arvensis, equisetum arvense, erodium cicutarium, erysimum cheiranthoides, holosteum umbellatum, lamium amplexicaule, scleranthus annuus