be, arr. leuven, quercus robur, prunus serotina, quercus rubra, holcus lanatus, juncus effusus, urtica dioica, populus canadensis, ranunculus repens, alnus glutinosa, sorbus aucuparia, poa trivialis, galeopsis tetrahit, agrostis capillaris, angelica sylvestris, filipendula ulmaria, holcus mollis, galium aparine, lysimachia vulgaris, amelanchier lamarckii, frangula alnus, lonicera periclymenum, heracleum sphondylium, sambucus nigra, cirsium palustre, rumex acetosa, betula pendula, phalaris arundinacea, cardamine pratensis, glechoma hederacea, arrhenatherum elatius, alopecurus pratensis, cirsium arvense, corylus avellana, humulus lupulus, dryopteris carthusiana, persicaria hydropiper, juncus acutiflorus, bidens frondosa, stellaria graminea, rumex obtusifolius, castanea sativa, fraxinus excelsior, lycopus europaeus, iris pseudacorus, dryopteris dilatata, molinia caerulea, galium palustre, ranunculus acris, athyrium filix-femina, prunus padus