be, arr. leuven, quercus robur, ranunculus repens, juncus effusus, holcus lanatus, urtica dioica, prunus serotina, populus canadensis, poa trivialis, quercus rubra, alnus glutinosa, filipendula ulmaria, agrostis capillaris, galeopsis tetrahit, cirsium palustre, heracleum sphondylium, rumex acetosa, angelica sylvestris, cardamine pratensis, lysimachia vulgaris, alopecurus pratensis, galium aparine, persicaria hydropiper, holcus mollis, cirsium arvense, ranunculus acris, stellaria graminea, lolium perenne, phalaris arundinacea, arrhenatherum elatius, glechoma hederacea, sorbus aucuparia, equisetum palustre, lythrum salicaria, juncus acutiflorus, cerastium fontanum, lotus pedunculatus, sambucus nigra, rumex obtusifolius, galium palustre, iris pseudacorus, lonicera periclymenum, castanea sativa, agrostis stolonifera, lycopus europaeus, glyceria fluitans, scirpus sylvaticus, anthoxanthum odoratum, fraxinus excelsior, silene flos-cuculi, juncus tenuis