herniaria hirsuta, eragrostis minor, tribulus terrestris, amaranthus retroflexus, arenaria leptoclados, bromus tectorum, chondrilla juncea, crepis foetida, crepis setosa, cynodon dactylon, erigeron canadensis, herniaria incana, hordeum murinum, lactuca serriola, lepidium ruderale, lolium perenne, matricaria chamomilla, poa annua, rostraria cristata, scleranthus annuus