polygonum aviculare, eragrostis pilosa, atriplex patula, cirsium arvense, festuca rubra, plantago major, poa compressa, solanum nigrum, trifolium repens, achillea millefolium, artemisia vulgaris, digitaria ischaemum, erigeron annuus, galinsoga parviflora, geranium pratense, glechoma hederacea, linaria vulgaris, plantago lanceolata, poa annua, setaria viridis, silene latifolia, tanacetum vulgare, urtica dioica