tragus racemosus, tribulus terrestris, alyssum minutum, bromus tectorum, capsella bursa-pastoris, cynodon dactylon, eragrostis minor, erodium cicutarium, medicago lupulina, plantago arenaria, polycnemum majus, polygonum graminifolium, portulaca oleracea, setaria pumila, silene conica, xanthium spinosum