erigeron canadensis, plantago major, setaria pumila, tripleurospermum inodorum, cerastium holosteoides, cirsium arvense, equisetum arvense, holcus lanatus, potentilla reptans, stellaria aquatica, veronica serpyllifolia, capsella bursa-pastoris, epilobium lamyi, solidago gigantea, trifolium hybridum, cirsium vulgare, lysimachia arvensis, sinapis arvensis