erigeron canadensis, convolvulus arvensis, amaranthus retroflexus, atriplex oblongifolia, bromus grossus, cirsium arvense, erodium cicutarium, hordeum murinum, lactuca serriola, lamium amplexicaule, lepidium draba, medicago lupulina, rosa canina, setaria viridis, stellaria media, torilis arvensis, arenaria serpyllifolia, artemisia vulgaris