be, arr. leuven, quercus robur, populus canadensis, prunus serotina, quercus rubra, urtica dioica, alnus glutinosa, ranunculus repens, filipendula ulmaria, juncus effusus, holcus lanatus, heracleum sphondylium, angelica sylvestris, poa trivialis, bidens frondosa, galium aparine, galeopsis tetrahit, lysimachia vulgaris, sambucus nigra, sorbus aucuparia, cirsium palustre, amelanchier lamarckii, phalaris arundinacea, glechoma hederacea, agrostis capillaris, cardamine pratensis, impatiens glandulifera, alopecurus pratensis, cirsium arvense, potentilla indica, lycopus europaeus, symphytum officinale, alnus incana, arrhenatherum elatius, humulus lupulus, iris pseudacorus, betula pendula, phragmites australis, rumex acetosa, frangula alnus, lythrum salicaria, persicaria hydropiper, fraxinus excelsior, corylus avellana, dryopteris carthusiana, holcus mollis, robinia pseudoacacia, symphoricarpos albus, solanum dulcamara, rumex obtusifolius, stellaria graminea