galinsoga parviflora, sinapis arvensis, stellaria media, veronica agrestis, aphanes arvensis, arabidopsis thaliana, arenaria serpyllifolia, capsella bursa-pastoris, chenopodium album, cirsium arvense, euphorbia helioscopia, fallopia convolvulus, geranium pusillum, gnaphalium uliginosum, myosotis arvensis, papaver dubium, papaver rhoeas, plantago uliginosa, poa annua, roemeria argemone, scleranthus annuus, senecio vulgaris, sisymbrium officinale, solanum nigrum, sonchus arvensis, sonchus asper, sonchus oleraceus, spergula arvensis, veronica arvensis, viola arvensis, centaurea cyanus, echinochloa crus-galli, hypochaeris glabra, tussilago farfara