ambrosia artemisiifolia, berteroa incana, bromus tectorum, elymus repens, erigeron canadensis, setaria pumila, amaranthus retroflexus, artemisia vulgaris, atriplex tatarica, chenopodium album, cichorium intybus, crepis tectorum, cyclachaena xanthiifolia, digitaria sanguinalis, eragrostis minor, galinsoga parviflora, lepidium densiflorum, medicago lupulina, polygonum aviculare, xanthium orientale