erigeron canadensis, elymus repens, lepidium draba, sonchus arvensis, stellaria media, atriplex patula, convolvulus arvensis, crepis foetida, descurainia sophia, diplotaxis muralis, erigeron annuus, erodium cicutarium, euphorbia helioscopia, fallopia convolvulus, galeopsis ladanum, lactuca serriola, matricaria chamomilla, plantago lanceolata, plantago major, poa annua, polygonum aviculare, sinapis arvensis, spergula arvensis, trifolium arvense, veronica persica, vicia cracca