poa annua, spergularia rubra, stellaria media, acer negundo, arabidopsis arenosa, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, echinochloa crus-galli, rorippa sylvestris, sagina procumbens, urtica dioica, artemisia vulgaris, cerastium holosteoides, cirsium arvense, erysimum cheiranthoides, fallopia convolvulus, galinsoga parviflora, galium aparine, lamium purpureum, lolium perenne, persicaria lapathifolia, poa trivialis, solidago canadensis, urtica urens, viola arvensis