text: hordeum distichon, anthemis arvensis, apera spica-venti, scleranthus annuus, myosotis arvensis, aphanes arvensis, arenaria serpyllifolia, centaurea cyanus, galeopsis speciosa, galium aparine, mentha arvensis, persicaria hydropiper, ranunculus repens, rumex acetosella, silene vulgaris, veronica arvensis, vicia hirsuta, vicia tetrasperma, viola arvensis