be, arr. leuven, populus canadensis, symphytum officinale, filipendula ulmaria, urtica dioica, angelica sylvestris, heracleum sphondylium, galium aparine, phalaris arundinacea, glechoma hederacea, galeopsis tetrahit, calystegia sepium, alopecurus pratensis, phragmites australis, cirsium arvense, ranunculus repens, iris pseudacorus, poa trivialis, quercus robur, arrhenatherum elatius, alnus glutinosa, carex acuta, lythrum salicaria, humulus lupulus, cirsium palustre, sambucus nigra, holcus lanatus, solanum dulcamara, lysimachia vulgaris, juncus effusus, lycopus europaeus, fraxinus excelsior, ribes rubrum, ficaria verna, cardamine pratensis, carex acutiformis, crataegus monogyna, equisetum palustre, rumex acetosa, rumex obtusifolius, valeriana excelsa, epilobium hirsutum, impatiens glandulifera, glyceria maxima, anthriscus sylvestris, galium palustre, persicaria amphibia, ranunculus acris, silene dioica, calamagrostis canescens, viburnum opulus