artemisia scoparia, cynodon dactylon, centaurea arenaria, medicago lupulina, amaranthus retroflexus, amorpha fruticosa, artemisia campestris, astragalus onobrychis, chenopodium album, cuscuta campestris, erigeron canadensis, hibiscus trionum, oenothera biennis, plantago lanceolata, polygonum arenarium, portulaca oleracea, scirpoides holoschoenus, setaria pumila, setaria viridis, xanthium orientale