galinsoga parviflora, elymus repens, erodium cicutarium, geranium pusillum, lycopsis arvensis, mercurialis annua, raphanus raphanistrum, solanum nigrum, stellaria media, chenopodium album, echinochloa crus-galli, erigeron canadensis, persicaria maculosa, plantago lanceolata, poa annua, rumex crispus, senecio vulgaris, spergula arvensis, urtica urens, persicaria lapathifolia, sonchus asper