equisetum arvense, tripleurospermum inodorum, cerastium holosteoides, erigeron canadensis, melilotus officinalis, poa palustris, persicaria maculosa, poa compressa, sisymbrium loeselii, agrostis capillaris, artemisia vulgaris, plantago major, poa annua, senecio viscosus, trifolium dubium, atriplex sagittata, trifolium arvense, tussilago farfara