polygonum aviculare, atriplex patula, avena sativa, chenopodium album, fallopia convolvulus, lactuca serriola, lolium rigidum, papaver rhoeas, poa compressa, androsace maxima, bifora radians, centaurea scabiosa, cichorium intybus, euphorbia falcata, legousia speculum-veneris, medicago minima, reseda phyteuma