melilotus officinalis, artemisia vulgaris, oenothera biennis, persicaria maculosa, atriplex patula, elymus repens, persicaria lapathifolia, phalaris arundinacea, poa palustris, sisymbrium altissimum, tripleurospermum inodorum, tussilago farfara, agrostis gigantea, chenopodium album, erigeron canadensis, erysimum cheiranthoides, melilotus albus, sisymbrium loeselii, tanacetum vulgare, cirsium arvense, poa compressa, sonchus asper, vicia cracca, rumex crispus