centaurea cyanus, viola arvensis, achillea millefolium, anthemis arvensis, atriplex patula, bunias erucago, centaurea scabiosa, cirsium arvense, convolvulus arvensis, coronilla varia, knautia arvensis, lamium amplexicaule, legousia speculum-veneris, papaver rhoeas, polygonum aviculare, prunus spinosa, reseda phyteuma, vicia cracca, bromus sterilis, chenopodium album, fallopia convolvulus, galium aparine, galium verum, hypericum perforatum, lolium rigidum, potentilla reptans, rumex acetosella, sonchus asper, urtica dioica, veronica hederifolia