hordeum distichon, elymus repens, avena fatua, lapsana communis, setaria pumila, artemisia vulgaris, cirsium arvense, mentha arvensis, myosotis arvensis, oxalis stricta, persicaria lapathifolia, sonchus arvensis, sonchus asper, tripleurospermum inodorum, tussilago farfara, veronica arvensis, viola arvensis, euphorbia exigua, euphorbia helioscopia