triticum aestivum, apera spica-venti, papaver rhoeas, arabidopsis thaliana, arenaria serpyllifolia, artemisia vulgaris, bromus diandrus, capsella bursa-pastoris, cerastium glomeratum, chenopodium album, convolvulus arvensis, elymus repens, lolium temulentum, lysimachia arvensis, medicago lupulina, oxalis corniculata, papaver dubium, poa annua, roemeria argemone, sorghum halepense, stellaria media, trifolium repens, valerianella coronata, veronica arvensis, veronica peregrina, veronica persica