artemisia absinthium, elymus repens, apera spica-venti, artemisia campestris, artemisia vulgaris, achillea pannonica, bromus hordeaceus, bromus tectorum, capsella bursa-pastoris, centaurea cyanus, daucus carota, erigeron canadensis, lolium perenne, pimpinella saxifraga, poa angustifolia, poa compressa, rumex acetosella, tripleurospermum inodorum, scleranthus annuus, secale cereale, viola arvensis