descurainia sophia, amaranthus retroflexus, berteroa incana, bromus tectorum, carduus acanthoides, carduus nutans, chenopodium album, erigeron canadensis, filago arvensis, lactuca serriola, lappula squarrosa, phragmites australis, salsola tragus, stellaria media, torilis arvensis, tripleurospermum inodorum, xanthium strumarium, xeranthemum annuum