trifolium arvense, oxalis stricta, polygonum aviculare, setaria pumila, setaria viridis, ambrosia artemisiifolia, elymus repens, medicago lupulina, arenaria serpyllifolia, chenopodium album, cirsium arvense, convolvulus arvensis, erigeron canadensis, erodium cicutarium, fallopia convolvulus, hordeum vulgare, lactuca serriola, lysimachia arvensis, plantago lanceolata, rumex crispus, silene latifolia, silene noctiflora, stellaria media, tripleurospermum inodorum, vicia villosa, viola arvensis