hordeum murinum, bromus hordeaceus, convolvulus arvensis, lolium perenne, bromus sterilis, galium aparine, plantago lanceolata, calamagrostis epigejos, cirsium arvense, diplotaxis tenuifolia, elymus repens, equisetum arvense, hypochaeris radicata, melilotus albus, polygonum aviculare