argentina anserina, echinochloa crus-galli, illecebrum verticillatum, agrostis capillaris, isolepis setacea, juncus articulatus, mentha arvensis, persicaria mitis, plantago major, polygonum aviculare, scleranthus annuus, trifolium repens, bidens connata, gnaphalium uliginosum, juncus bufonius, juncus effusus, juncus tenuis, lycopus europaeus, poa annua, prunella vulgaris, spergularia rubra, thrincia saxatilis