erigeron canadensis, lactuca serriola, stachys palustris, cirsium arvense, elymus repens, oxalis stricta, plantago major, achillea millefolium, aethusa cynapium, arctium tomentosum, bromus sterilis, convolvulus arvensis, daucus carota, linaria vulgaris, medicago lupulina, mentha arvensis, picris hieracioides, sherardia arvensis, sonchus arvensis, trifolium repens, tripleurospermum inodorum, verbena officinalis