alopecurus geniculatus, poa annua, elymus repens, juncus compressus, persicaria amphibia, ranunculus repens, rorippa sylvestris, alopecurus pratensis, capsella bursa-pastoris, dichodon viscidum, limosella aquatica, matricaria discoidea, myosurus minimus, veronica catenata, veronica peregrina