be, arr. leuven, quercus robur, holcus lanatus, juncus effusus, ranunculus repens, agrostis capillaris, prunus serotina, angelica sylvestris, rumex acetosa, cirsium palustre, stellaria graminea, populus canadensis, filipendula ulmaria, alnus glutinosa, lysimachia vulgaris, quercus rubra, juncus acutiflorus, arrhenatherum elatius, ranunculus acris, urtica dioica, lonicera periclymenum, anthoxanthum odoratum, lotus pedunculatus, juncus conglomeratus, betula pendula, frangula alnus, poa trivialis, holcus mollis, alopecurus pratensis, sorbus aucuparia, equisetum palustre, galeopsis tetrahit, cerastium fontanum, cirsium arvense, cardamine pratensis, molinia caerulea, heracleum sphondylium, lythrum salicaria, silene flos-cuculi, plantago lanceolata, festuca rubra, galium palustre, phalaris arundinacea, galium aparine, corylus avellana, castanea sativa, glechoma hederacea, lolium perenne, sambucus nigra, phragmites australis, achillea millefolium