tragus racemosus, tribulus terrestris, amaranthus retroflexus, bromus tectorum, carduus nutans, chenopodium vulvaria, cynodon dactylon, eragrostis minor, erodium cicutarium, fallopia convolvulus, galium humifusum, hordeum murinum, malva pusilla, portulaca oleracea, salsola tragus, scolymus hispanicus, setaria pumila, xanthium spinosum