euphorbia peplis, oxalis stricta, plantago major, stellaria media, artemisia annua, ballota nigra, chelidonium majus, chenopodium album, convolvulus arvensis, erigeron canadensis, galinsoga parviflora, lepidium draba, lolium perenne, poa annua, potentilla reptans, salvia verticillata, setaria viridis, solanum nigrum, sonchus arvensis, sonchus oleraceus