artemisia vulgaris, crepis foetida, lolium perenne, arenaria serpyllifolia, atriplex oblongifolia, calamagrostis epigejos, cirsium arvense, erigeron canadensis, erodium cicutarium, hordeum murinum, lamium amplexicaule, medicago minima, reseda lutea, rosa canina, torilis arvensis, lepidium draba, tripleurospermum inodorum