text: poa annua, anthemis arvensis, erigeron canadensis, fallopia convolvulus, bromus hordeaceus, capsella bursa-pastoris, elymus repens, matricaria discoidea, persicaria lapathifolia, scleranthus annuus, chenopodium album, digitaria ischaemum, echinochloa crus-galli, galium spurium, myosotis arvensis, spergula arvensis, viola arvensis, misopates orontium, veronica arvensis