hordeum distichon, poa annua, elymus repens, apera spica-venti, chenopodium album, cirsium arvense, dactylis glomerata, equisetum arvense, fallopia convolvulus, galinsoga quadriradiata, lamium purpureum, matricaria chamomilla, polygonum aviculare, viola arvensis, aethusa cynapium, persicaria maculosa, plantago major, mercurialis annua, solanum nigrum