atriplex sagittata, polygonum aviculare, calamagrostis epigejos, erigeron canadensis, alopecurus arundinaceus, cannabis sativa, carex melanostachya, chenopodium album, cirsium arvense, cuscuta campestris, euphorbia esula, filago arvensis, inula britannica, lactuca serriola, linaria vulgaris, medicago sativa, rubus caesius