argentina anserina, lolium perenne, achillea millefolium, carum carvi, centaurea jacea, cichorium intybus, cirsium arvense, cynodon dactylon, elymus repens, glechoma hederacea, juncus inflexus, lotus corniculatus, odontites vernus, plantago lanceolata, ranunculus acris, rumex crispus, scorzoneroides autumnalis, stellaria media, tussilago farfara, viola hirta