digitaria sanguinalis, eragrostis pilosa, tortella tortuosa, diplotaxis muralis, eragrostis minor, sedum acre, sonchus oleraceus, achillea millefolium, artemisia vulgaris, chenopodium album, convolvulus arvensis, erigeron canadensis, galinsoga parviflora, lepidium densiflorum, lepidium ruderale, medicago lupulina, setaria viridis, sisymbrium loeselii