argentina anserina, lolium perenne, matricaria discoidea, plantago major, poa annua, poa pratensis, stellaria media, tussilago farfara, agrostis gigantea, capsella bursa-pastoris, chenopodium album, juncus compressus, malva neglecta, polygonum aviculare, senecio vulgaris, silene latifolia, sisymbrium officinale, trifolium repens