matricaria discoidea, capsella bursa-pastoris, geranium pusillum, lamium purpureum, lolium perenne, matricaria chamomilla, poa angustifolia, poa annua, polygonum aviculare, achillea collina, atriplex patula, descurainia sophia, glechoma hederacea, lactuca saligna, lactuca serriola, veronica arvensis