achillea collina, ambrosia artemisiifolia, crepis tectorum, elymus repens, lactuca serriola, plantago lanceolata, diplotaxis muralis, galium aparine, hordeum murinum, polygonum aviculare, setaria viridis, arctium lappa, atriplex prostrata, bromus squarrosus, chondrilla juncea, erigeron canadensis, lactuca tatarica, ulmus minor