argentina anserina, achillea millefolium, artemisia vulgaris, poa pratensis, capsella bursa-pastoris, carex hirta, cirsium arvense, elymus repens, equisetum arvense, lactuca serriola, lolium pratense, persicaria lapathifolia, plantago major, polygonum aviculare, potentilla reptans, urtica dioica