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