be, arr. leuven, urtica dioica, populus canadensis, ranunculus repens, filipendula ulmaria, juncus effusus, holcus lanatus, phalaris arundinacea, heracleum sphondylium, bidens frondosa, quercus robur, alnus glutinosa, poa trivialis, angelica sylvestris, impatiens glandulifera, galium aparine, lycopus europaeus, alopecurus pratensis, symphytum officinale, lysimachia vulgaris, persicaria hydropiper, galeopsis tetrahit, cirsium arvense, cirsium palustre, prunus serotina, iris pseudacorus, lythrum salicaria, glechoma hederacea, cardamine pratensis, arrhenatherum elatius, quercus rubra, rumex acetosa, phragmites australis, rumex obtusifolius, calystegia sepium, humulus lupulus, carex acuta, galium palustre, scirpus sylvaticus, tanacetum vulgare, stellaria graminea, solanum dulcamara, agrostis capillaris, epilobium ciliatum, sambucus nigra, equisetum palustre, glyceria maxima, agrostis stolonifera, ranunculus acris, juncus acutiflorus, potentilla indica