be, arr. leuven, quercus robur, sorbus aucuparia, prunus serotina, quercus rubra, frangula alnus, juncus effusus, lonicera periclymenum, betula pendula, alnus glutinosa, populus canadensis, holcus lanatus, agrostis capillaris, molinia caerulea, urtica dioica, dryopteris carthusiana, betula pubescens, ranunculus repens, sambucus nigra, lysimachia vulgaris, corylus avellana, cirsium palustre, dryopteris dilatata, galeopsis tetrahit, athyrium filix-femina, castanea sativa, holcus mollis, angelica sylvestris, amelanchier lamarckii, pinus sylvestris, fraxinus excelsior, poa trivialis, acer pseudoplatanus, filipendula ulmaria, glechoma hederacea, cardamine pratensis, galium aparine, galium palustre, humulus lupulus, juncus acutiflorus, deschampsia flexuosa, juncus conglomeratus, polygonatum multiflorum, heracleum sphondylium, avenella flexuosa, teucrium scorodonia, phragmites australis, lythrum salicaria, lycopus europaeus, cirsium arvense, iris pseudacorus