solanum nigrum, viola arvensis, chenopodium ficifolium, euphorbia helioscopia, senecio vulgaris, stellaria media, capsella bursa-pastoris, chenopodium album, elymus repens, fallopia convolvulus, lamium amplexicaule, lepidium coronopus, persicaria maculosa, poa annua, solanum tuberosum, sonchus oleraceus, thlaspi arvense, tripleurospermum maritimum