lamium purpureum, thlaspi arvense, erigeron canadensis, brassica napus, capsella bursa-pastoris, stellaria media, cirsium arvense, galium aparine, lamium amplexicaule, papaver rhoeas, tripleurospermum inodorum, veronica polita, veronica sublobata, viola arvensis, betula pendula, silene noctiflora