rumex acetosella, elymus repens, apera spica-venti, arabidopsis thaliana, centaurea cyanus, cerastium holosteoides, erigeron canadensis, scleranthus annuus, tripleurospermum inodorum, veronica arvensis, vicia hirsuta, vicia sativa, viola arvensis, aphanes arvensis, artemisia vulgaris, silene latifolia