anthemis cotula, matricaria discoidea, euphorbia peplus, plantago lanceolata, artemisia absinthium, atriplex patula, erigeron canadensis, euphorbia esula, lysimachia arvensis, poa annua, potentilla argentea, potentilla reptans, urtica urens, verbena officinalis, descurainia sophia, malva neglecta, persicaria lapathifolia, senecio viscosus, verbascum densiflorum