matricaria chamomilla, thlaspi arvense, capsella bursa-pastoris, elymus repens, fallopia convolvulus, lamium purpureum, lepidium coronopus, lolium perenne, persicaria maculosa, poa annua, polygonum aviculare, senecio vulgaris, sinapis arvensis, stellaria media, veronica persica, erysimum cheiranthoides, sonchus oleraceus