spergula arvensis, poa annua, digitaria ischaemum, galeopsis segetum, matricaria discoidea, viola arvensis, capsella bursa-pastoris, holcus lanatus, polygonum aviculare, rumex acetosella, scleranthus annuus, spergularia rubra, agrostis stolonifera, anthoxanthum aristatum, chenopodium album, stellaria media