calamagrostis epigejos, elymus repens, erigeron canadensis, amaranthus retroflexus, artemisia absinthium, bromus arvensis, bromus sterilis, bromus tectorum, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, lactuca serriola, lathyrus tuberosus, sonchus arvensis, tanacetum vulgare, tripleurospermum inodorum, vicia cracca