hordeum murinum, arenaria serpyllifolia, artemisia vulgaris, atriplex oblongifolia, bromus grossus, capsella bursa-pastoris, cirsium arvense, crepis foetida, erigeron canadensis, erodium cicutarium, lamium amplexicaule, lolium perenne, medicago minima, stellaria media, torilis arvensis, bromus sterilis, lactuca serriola, reseda lutea, rosa canina, tripleurospermum inodorum, veronica sublobata