mercurialis annua, chenopodium album, fumaria officinalis, euphorbia peplus, senecio vulgaris, sonchus asper, aethusa cynapium, capsella bursa-pastoris, elymus repens, equisetum arvense, erigeron canadensis, erysimum cheiranthoides, fallopia convolvulus, geranium molle, lamium amplexicaule, papaver rhoeas, persicaria maculosa, poa annua, polygonum aviculare, setaria pumila, setaria viridis, stellaria media, viola arvensis