elymus repens, odontites vulgaris, achillea collina, ambrosia artemisiifolia, bromus tectorum, carduus acanthoides, centaurea diffusa, crepis tectorum, daucus carota, diplotaxis muralis, galium aparine, grindelia squarrosa, lactuca serriola, poa angustifolia, polygonum aviculare, chondrilla juncea, parthenocissus quinquefolia, trifolium pratense, vicia villosa