urtica urens, stellaria media, galinsoga parviflora, lamium purpureum, rorippa palustris, gnaphalium uliginosum, epilobium ciliatum, lolium perenne, persicaria maculosa, poa annua, senecio vulgaris, urtica dioica, capsella bursa-pastoris, cirsium arvense, echinochloa crus-galli, holcus lanatus, juncus bufonius, plantago uliginosa, sonchus asper, sonchus oleraceus, spergula arvensis