poa annua, echinochloa crus-galli, galinsoga parviflora, gnaphalium uliginosum, oxalis stricta, senecio vulgaris, solanum nigrum, stellaria media, capsella bursa-pastoris, chenopodium album, matricaria chamomilla, rumex acetosella, digitaria sanguinalis, equisetum arvense, lamium purpureum, persicaria maculosa, spergula arvensis, urtica urens, veronica arvensis, viola tricolor