anthemis arvensis, lamium purpureum, capsella bursa-pastoris, stellaria media, arabidopsis thaliana, cirsium arvense, galium aparine, myosotis arvensis, poa annua, scleranthus annuus, veronica hederifolia, viola arvensis, cerastium holosteoides, lapsana communis, lolium perenne, poa trivialis, veronica arvensis, vicia tetrasperma