be, arr. leuven, ranunculus repens, urtica dioica, heracleum sphondylium, arrhenatherum elatius, cirsium arvense, holcus lanatus, poa trivialis, populus canadensis, glechoma hederacea, symphytum officinale, galium aparine, lolium perenne, alopecurus pratensis, calystegia sepium, ranunculus acris, rumex acetosa, dactylis glomerata, phalaris arundinacea, quercus robur, angelica sylvestris, elymus repens, agrostis capillaris, rumex obtusifolius, phragmites australis, galeopsis tetrahit, filipendula ulmaria, equisetum arvense, plantago lanceolata, tanacetum vulgare, agrostis stolonifera, trifolium repens, achillea millefolium, cerastium holosteoides, festuca rubra, anthriscus sylvestris, persicaria amphibia, juncus effusus, cerastium fontanum, fraxinus excelsior, rumex crispus, sambucus nigra, stellaria graminea, lathyrus pratensis, vicia cracca, phleum pratense, trifolium pratense, cardamine pratensis, alnus glutinosa, carex hirta, stellaria media