chenopodium album, stellaria media, matricaria chamomilla, capsella bursa-pastoris, cirsium arvense, euphorbia helioscopia, persicaria maculosa, sonchus oleraceus, veronica persica, elymus repens, fumaria officinalis, matricaria discoidea, phragmites australis, poa annua, poa trivialis, senecio vulgaris, thlaspi arvense, solanum tuberosum