cirsium arvense, artemisia absinthium, centaurea cyanus, convolvulus arvensis, eritrichium caucasicum, euphorbia tommasiniana, fallopia convolvulus, galeopsis ladanum, lactuca serriola, myosotis sylvatica, silene noctiflora, sonchus arvensis, spergula arvensis, thlaspi arvense, tripleurospermum inodorum, tussilago farfara, vicia cracca, viola arvensis, avena fatua, poa annua