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