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