argentina anserina, poa pratensis, achillea millefolium, bellis perennis, chenopodium album, cirsium arvense, convolvulus arvensis, cynodon dactylon, echinochloa crus-galli, elymus repens, euphorbia helioscopia, glechoma hederacea, lolium perenne, lysimachia nummularia, matricaria discoidea, mentha longifolia, plantago lanceolata, plantago major, polygonum aviculare, prunella vulgaris, ranunculus acris, ranunculus repens, stellaria media, trifolium pratense, trifolium repens, urtica dioica