mentha suaveolens, pteridium aquilinum, coleostephus myconis, avena barbata, briza maxima, crepis capillaris, cyperus longus, dactylis glomerata, daucus carota, erigeron canadensis, holcus lanatus, hordeum murinum, panicum repens, paspalum vaginatum, persicaria lapathifolia, plantago major, poa infirma, polycarpon tetraphyllum, polygonum aviculare, rumex pulcher, scolymus hispanicus, sporobolus indicus, verbascum thapsus