be, arr. leuven, quercus robur, populus canadensis, arrhenatherum elatius, angelica sylvestris, heracleum sphondylium, ranunculus repens, filipendula ulmaria, holcus lanatus, cirsium arvense, urtica dioica, alopecurus pratensis, glechoma hederacea, poa trivialis, galium aparine, ranunculus acris, agrostis capillaris, rumex acetosa, galeopsis tetrahit, stellaria graminea, symphytum officinale, crataegus monogyna, alnus glutinosa, juncus effusus, phalaris arundinacea, fraxinus excelsior, cirsium palustre, calystegia sepium, sambucus nigra, dactylis glomerata, betula pendula, tanacetum vulgare, vicia cracca, lathyrus pratensis, phragmites australis, lysimachia vulgaris, lythrum salicaria, cardamine pratensis, festuca rubra, centaurea jacea, prunus serotina, cerastium fontanum, achillea millefolium, equisetum arvense, holcus mollis, anthoxanthum odoratum, corylus avellana, hypericum perforatum, plantago lanceolata, elymus repens, iris pseudacorus