erigeron canadensis, cirsium arvense, crepis foetida, oxalis stricta, plantago major, achillea millefolium, aethusa cynapium, artemisia vulgaris, chenopodium album, convolvulus arvensis, daucus carota, erysimum cheiranthoides, euphorbia exigua, lactuca serriola, mentha arvensis, persicaria maculosa, salsola tragus, setaria pumila, sonchus arvensis, stachys annua, tripleurospermum inodorum, verbena officinalis