atriplex sagittata, artemisia vulgaris, atriplex tatarica, cirsium arvense, bromus sterilis, bromus tectorum, capsella bursa-pastoris, descurainia sophia, elymus repens, erigeron canadensis, impatiens parviflora, poa pratensis, sisymbrium loeselii, solidago canadensis, thinopyrum intermedium, achillea millefolium, amaranthus retroflexus, anthemis arvensis, arctium tomentosum, chenopodium album, crepis biennis, epilobium tetragonum, erysimum cheiranthoides, erysimum marschallianum, lathyrus tuberosus, lolium perenne, melilotus albus, melilotus officinalis, plantago major, poa palustris, setaria verticillata, silene latifolia, sonchus oleraceus, stellaria media, thlaspi arvense, torilis japonica, trifolium repens, tripleurospermum inodorum, urtica dioica