taraxacum minimum, convolvulus arvensis, elymus repens, anthemis arvensis, centaurea cyanus, diplotaxis muralis, euphorbia helioscopia, lolium perenne, lotus corniculatus, lysimachia arvensis, medicago lupulina, melilotus officinalis, poa annua, poa pratensis, polygonum aviculare, sonchus arvensis, stellaria media, trifolium pratense, veronica arvensis