argentina anserina, cirsium arvense, gnaphalium uliginosum, holcus lanatus, lotus corniculatus, persicaria maculosa, plantago major, prunella vulgaris, ranunculus repens, sonchus arvensis, trifolium repens, tripleurospermum inodorum, bellis perennis, geranium molle, hypericum tetrapterum, juncus bufonius, lysimachia arvensis, matricaria discoidea, poa annua, polygonum aviculare, potentilla reptans, rumex conglomeratus, sagina procumbens, spergula arvensis, trifolium dubium