digitaria sanguinalis, eragrostis minor, stellaria media, artemisia vulgaris, capsella bursa-pastoris, sedum spurium, setaria viridis, sonchus oleraceus, achillea millefolium, amaranthus hybridus, ceratodon purpureus, convolvulus arvensis, galinsoga parviflora, geranium pusillum, senecio vulgaris, sisymbrium loeselii