galinsoga parviflora, poa annua, stellaria media, acer negundo, arabidopsis arenosa, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, spergularia rubra, urtica urens, erysimum cheiranthoides, galium aparine, juncus bufonius, lipandra polysperma, mentha arvensis, plantago major, poa trivialis, polygonum aviculare, roemeria argemone, rorippa sylvestris, rumex acetosella, spergula arvensis, veronica serpyllifolia, viola arvensis