be, arr. leuven, populus canadensis, urtica dioica, quercus robur, heracleum sphondylium, holcus lanatus, ranunculus repens, arrhenatherum elatius, filipendula ulmaria, angelica sylvestris, prunus serotina, alopecurus pratensis, cirsium arvense, juncus effusus, poa trivialis, symphytum officinale, agrostis capillaris, rumex acetosa, phalaris arundinacea, quercus rubra, cirsium palustre, stellaria graminea, galeopsis tetrahit, galium aparine, lysimachia vulgaris, tanacetum vulgare, glechoma hederacea, alnus glutinosa, bidens frondosa, phragmites australis, cardamine pratensis, ranunculus acris, lythrum salicaria, cerastium fontanum, iris pseudacorus, lycopus europaeus, juncus acutiflorus, carex acuta, calystegia sepium, silene flos-cuculi, equisetum palustre, rumex obtusifolius, sambucus nigra, impatiens glandulifera, persicaria hydropiper, equisetum arvense, lotus pedunculatus, valeriana excelsa, anthoxanthum odoratum, galium palustre, festuca rubra