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