centaurea cyanus, viola arvensis, anthemis arvensis, myosotis arvensis, buglossoides arvensis, equisetum arvense, galium aparine, poa trivialis, thlaspi arvense, cirsium arvense, fallopia convolvulus, galeopsis speciosa, galeopsis tetrahit, lapsana communis, mentha arvensis, silene latifolia, veronica arvensis, vicia villosa, scleranthus annuus