chenopodium album, echinochloa crus-galli, lipandra polysperma, persicaria maculosa, amaranthus retroflexus, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, digitaria sanguinalis, elymus repens, erigeron annuus, erigeron canadensis, galinsoga parviflora, geranium pusillum, lamium purpureum, matricaria chamomilla, oxalis stricta, persicaria lapathifolia, poa annua, polygonum aviculare, ranunculus repens, raphanus raphanistrum, setaria pumila, setaria viridis, sisymbrium orientale, solanum nigrum, sonchus asper, stachys palustris, stellaria media, viola arvensis