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