galinsoga parviflora, solanum tuberosum, elymus repens, equisetum arvense, chenopodium album, achillea millefolium, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, erigeron canadensis, erodium cicutarium, erysimum cheiranthoides, fallopia convolvulus, geranium pusillum, lycopsis arvensis, persicaria maculosa, polygonum aviculare, silene latifolia, sinapis arvensis, spergula arvensis, stellaria media, viola arvensis