erigeron canadensis, plantago major, stellaria aquatica, tripleurospermum inodorum, cirsium arvense, cirsium vulgare, equisetum arvense, holcus lanatus, inula britannica, lipandra polysperma, potentilla reptans, setaria pumila, solidago gigantea, tussilago farfara, veronica serpyllifolia, epilobium lamyi, sonchus asper, trifolium hybridum