cirsium arvense, aphanes arvensis, arabidopsis thaliana, arenaria serpyllifolia, capsella bursa-pastoris, cerastium holosteoides, chenopodium album, elymus repens, galinsoga parviflora, gnaphalium uliginosum, lamium amplexicaule, lysimachia arvensis, myosotis arvensis, plantago uliginosa, poa annua, roemeria argemone, scleranthus annuus, senecio vulgaris, sinapis arvensis, thlaspi arvense, tripleurospermum inodorum, veronica arvensis, veronica persica, centaurea cyanus, papaver rhoeas, sonchus asper