euphorbia prostrata, cynodon dactylon, portulaca oleracea, amaranthus crispus, amaranthus retroflexus, cichorium intybus, hordeum murinum, matricaria chamomilla, rostraria cristata, tribulus terrestris, bromus tectorum, chenopodium album, chondrilla juncea, herniaria hirsuta, petrorhagia saxifraga, setaria viridis