nicotiana tabacum, galinsoga quadriradiata, chenopodium album, galinsoga parviflora, amaranthus retroflexus, capsella bursa-pastoris, echinochloa crus-galli, elymus repens, geranium pusillum, lolium perenne, malva neglecta, plantago major, poa annua, polygonum aviculare, solanum tuberosum, stachys palustris, thlaspi arvense, trifolium hybridum