grindelia squarrosa, aegilops cylindrica, chenopodium album, bromus tectorum, elymus repens, hordeum murinum, bromus sterilis, lactuca serriola, artemisia absinthium, lepidium ruderale, noccaea perfoliata, tripleurospermum inodorum, ambrosia artemisiifolia, brassica napus, holosteum umbellatum, poa angustifolia, poa bulbosa, sclerochloa dura, senecio vernalis, triticum aestivum, convolvulus arvensis, galium aparine, polygonum aviculare