ambrosia artemisiifolia, lactuca serriola, melilotus albus, artemisia vulgaris, barbarea vulgaris, bidens frondosa, bidens tripartita, convolvulus arvensis, dysphania ambrosioides, erigeron canadensis, euphorbia amygdaloides, euphorbia cyparissias, hypericum perforatum, persicaria minor, persicaria mitis, plantago lanceolata, reseda lutea, rubus caesius, salix purpurea, saponaria officinalis, scrophularia canina, setaria pumila, silene vulgaris, solidago canadensis, thlaspi arvense