be, arr. leuven, juncus effusus, ranunculus repens, quercus robur, juncus tenuis, holcus lanatus, prunus serotina, quercus rubra, bidens frondosa, agrostis capillaris, urtica dioica, juncus acutiflorus, persicaria hydropiper, lysimachia vulgaris, cirsium palustre, poa trivialis, rumex acetosa, cardamine pratensis, alnus glutinosa, galeopsis tetrahit, lycopus europaeus, populus canadensis, cirsium arvense, cerastium fontanum, lythrum salicaria, lotus pedunculatus, epilobium ciliatum, amelanchier lamarckii, stellaria graminea, potentilla indica, lolium perenne, galium palustre, castanea sativa, agrostis stolonifera, silene coronaria, trifolium repens, filipendula ulmaria, phalaris arundinacea, galinsoga quadriradiata, ranunculus acris, angelica sylvestris, rumex obtusifolius, holcus mollis, betula pendula, glyceria fluitans, molinia caerulea, equisetum palustre, iris pseudacorus, crassula helmsii, frangula alnus, anthoxanthum odoratum