text: capsella bursa-pastoris, chenopodium album, convolvulus arvensis, galeopsis speciosa, galeopsis tetrahit, galinsoga parviflora, persicaria hydropiper, persicaria lapathifolia, scleranthus annuus, spergula arvensis, stellaria media, argentina anserina, gnaphalium uliginosum, matricaria discoidea, myosotis arvensis, raphanus raphanistrum