lactuca serriola, erigeron canadensis, artemisia vulgaris, oxalis stricta, aethusa cynapium, arctium lappa, carduus acanthoides, cirsium arvense, convolvulus arvensis, daucus carota, elymus repens, linaria vulgaris, medicago lupulina, plantago major, salsola tragus, sonchus arvensis, tripleurospermum inodorum, verbena officinalis