atriplex sagittata, erigeron canadensis, artemisia vulgaris, bromus tectorum, elymus repens, agrostis canina, chenopodium album, humulus lupulus, lactuca serriola, melilotus albus, ambrosia artemisiifolia, oenothera biennis, papaver rhoeas, populus alba, populus nigra, sisymbrium loeselii, tanacetum vulgare, vicia tetrasperma