tripleurospermum inodorum, lolium perenne, fallopia convolvulus, lactuca serriola, sisymbrium officinale, achillea millefolium, agrostis stolonifera, arrhenatherum elatius, atriplex patula, capsella bursa-pastoris, poa annua, senecio vulgaris, trifolium repens, artemisia vulgaris, cirsium vulgare, erigeron canadensis, galinsoga parviflora, galium aparine, poa palustris, puccinellia distans, ranunculus repens, senecio viscosus, sonchus oleraceus, triticum aestivum, euphorbia peplus, impatiens parviflora, tussilago farfara, viola wittrockiana