be, arr. leuven, quercus robur, juncus effusus, holcus lanatus, frangula alnus, agrostis capillaris, sorbus aucuparia, betula pendula, prunus serotina, ranunculus repens, lonicera periclymenum, cirsium palustre, quercus rubra, molinia caerulea, alnus glutinosa, lysimachia vulgaris, juncus acutiflorus, holcus mollis, rumex acetosa, populus canadensis, angelica sylvestris, urtica dioica, betula pubescens, anthoxanthum odoratum, juncus conglomeratus, galeopsis tetrahit, poa trivialis, dryopteris carthusiana, cardamine pratensis, filipendula ulmaria, lotus pedunculatus, galium palustre, ranunculus acris, lythrum salicaria, arrhenatherum elatius, agrostis canina, cirsium arvense, corylus avellana, athyrium filix-femina, pinus sylvestris, equisetum palustre, phragmites australis, amelanchier lamarckii, sambucus nigra, dryopteris dilatata, stellaria graminea, heracleum sphondylium, castanea sativa, cerastium fontanum, agrostis stolonifera, lycopus europaeus