helminthotheca echioides, ammi majus, agrostis castellana, dactylis glomerata, daucus carota, holcus lanatus, medicago lupulina, melilotus indicus, oenothera biennis, paspalum dilatatum, poa trivialis, polygonum aviculare, polypogon viridis, pteridium aquilinum, symphyotrichum squamatum, calystegia sepium, cirsium vulgare, coleostephus myconis, digitalis purpurea, lactuca serriola, lythrum junceum, plantago major