erigeron canadensis, elymus repens, cirsium arvense, stellaria media, capsella bursa-pastoris, centaurea cyanus, chondrilla juncea, delphinium consolida, descurainia sophia, echium vulgare, erigeron annuus, erodium cicutarium, fallopia convolvulus, galeopsis ladanum, lepidium draba, linaria vulgaris, poa annua, polygonum aviculare, senecio vernalis, setaria viridis, sonchus arvensis, stachys annua, tripleurospermum inodorum, veronica persica