cynodon dactylon, cichorium intybus, polygonum aviculare, setaria pumila, bassia laniflora, bromus tectorum, cenchrus spinifex, descurainia sophia, elymus repens, eragrostis minor, erigeron canadensis, plantago lanceolata, portulaca oleracea, trifolium repens, amaranthus albus, cannabis sativa, convolvulus arvensis, xanthium strumarium