cyclachaena xanthiifolia, poa annua, anthemis cotula, poa trivialis, stellaria aquatica, ballota nigra, echinochloa crus-galli, sinapis arvensis, artemisia vulgaris, capsella bursa-pastoris, galium aparine, malva sylvestris, poa palustris, urtica dioica, elymus repens, galinsoga quadriradiata, lactuca serriola, matricaria chamomilla, mentha longifolia, persicaria lapathifolia