chenopodium album, amaranthus albus, amaranthus retroflexus, atriplex tatarica, beta vulgaris, eragrostis minor, polygonum aviculare, atriplex littoralis, cynodon dactylon, digitaria sanguinalis, elymus repens, erigeron canadensis, helianthus annuus, papaver somniferum, setaria verticillata, setaria viridis, solanum nigrum