lamium purpureum, capsella bursa-pastoris, thlaspi arvense, aphanes arvensis, arabidopsis thaliana, chenopodium album, lamium amplexicaule, stellaria media, tripleurospermum inodorum, veronica arvensis, viola arvensis, centaurea cyanus, geranium pusillum, poa annua, sisymbrium officinale, vicia hirsuta