argentina anserina, plantago major, poa trivialis, matricaria discoidea, poa annua, bellis perennis, capsella bursa-pastoris, juncus tenageia, lolium perenne, polygonum aviculare, ranunculus repens, rumex obtusifolius, trifolium campestre, galinsoga parviflora, lamium amplexicaule, plantago lanceolata, ranunculus acris, scorzoneroides autumnalis, sisymbrium officinale, veronica serpyllifolia