lolium perenne, plantago major, trifolium repens, dactylis glomerata, phleum pratense, poa annua, agrostis stolonifera, elymus repens, poa trivialis, acorus calamus, anthriscus sylvestris, cirsium arvense, glyceria maxima, polygonum aviculare, ranunculus acris, ranunculus repens, sonchus oleraceus, urtica dioica, artemisia vulgaris, heracleum sphondylium, plantago lanceolata, rumex pratensis, stachys palustris