bromus tectorum, corispermum intermedium, equisetum arvense, apera spica-venti, poa pratensis, reseda lutea, sisymbrium altissimum, bryum argenteum, ceratodon purpureus, chenopodium album, cirsium arvense, convolvulus arvensis, elymus repens, erigeron canadensis, papaver dubium, salsola tragus, senecio viscosus