lolium perenne, cirsium arvense, agrostis capillaris, poa trivialis, dactylis glomerata, cerastium holosteoides, persicaria hydropiper, poa annua, poa pratensis, polygonum aviculare, ranunculus repens, stellaria media, trifolium repens, capsella bursa-pastoris, matricaria discoidea, rumex crispus, urtica dioica