artemisia vulgaris, spergula arvensis, elymus repens, stachys palustris, tripleurospermum inodorum, apera spica-venti, brassica napus, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, echium vulgare, galinsoga parviflora, hypericum perforatum, linaria vulgaris, lipandra polysperma, lysimachia arvensis, oxalis stricta, rumex acetosella, silene latifolia, veronica persica, viola arvensis, arabidopsis thaliana, erigeron canadensis, myosotis arvensis, plantago major