dysphania botrys, erigeron canadensis, chenopodium album, amaranthus retroflexus, atriplex patula, bromus tectorum, chaenorhinum minus, crepis foetida, digitaria sanguinalis, elymus repens, lolium perenne, senecio viscosus, sisymbrium altissimum, sonchus oleraceus, tripleurospermum inodorum