holcus lanatus, achillea millefolium, bromus hordeaceus, trifolium arvense, erigeron annuus, artemisia vulgaris, cerastium holosteoides, crepis tectorum, daucus carota, erigeron canadensis, filago arvensis, hypochaeris radicata, oxalis stricta, rumex acetosella, tripleurospermum inodorum, vicia sativa