be, arr. leuven, urtica dioica, bidens frondosa, populus canadensis, quercus robur, lysimachia vulgaris, symphytum officinale, phragmites australis, prunus serotina, quercus rubra, ranunculus repens, lycopus europaeus, calystegia sepium, impatiens glandulifera, galium aparine, iris pseudacorus, poa trivialis, juncus effusus, phalaris arundinacea, solanum dulcamara, glechoma hederacea, cirsium arvense, sambucus nigra, alnus glutinosa, lythrum salicaria, crassula helmsii, humulus lupulus, galeopsis tetrahit, filipendula ulmaria, persicaria hydropiper, holcus lanatus, amelanchier lamarckii, alnus incana, eupatorium cannabinum, galium palustre, heracleum sphondylium, angelica sylvestris, cardamine pratensis, epilobium ciliatum, calamagrostis canescens, arrhenatherum elatius, frangula alnus, cirsium palustre, stachys palustris, agrostis stolonifera, fraxinus excelsior, galanthus nivalis, juncus tenuis, solidago gigantea, crataegus monogyna, potentilla indica