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