ambrosia artemisiifolia, achillea collina, centaurea diffusa, amaranthus albus, amaranthus blitoides, atriplex tatarica, bromus sterilis, capsella bursa-pastoris, carduus acanthoides, chenopodium album, cichorium intybus, convolvulus arvensis, cyclachaena xanthiifolia, daucus carota, digitaria sanguinalis, echinochloa crus-galli, elymus repens, eragrostis minor, erigeron canadensis, fallopia convolvulus, galinsoga parviflora, lepidium ruderale, linaria vulgaris, lolium perenne, lotus corniculatus, medicago lupulina, plantago major, poa annua, poa pratensis, polygonum aviculare, setaria pumila, setaria viridis, symphyotrichum ciliatum, tripleurospermum inodorum, xanthium spinosum