lipandra polysperma, aethusa cynapium, dactylis glomerata, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, elymus repens, fumaria officinalis, medicago lupulina, persicaria maculosa, poa annua, ranunculus repens, rumex obtusifolius, salix caprea, setaria viridis, sisymbrium strictissimum, solidago canadensis