be, arr. leuven, urtica dioica, phragmites australis, symphytum officinale, calystegia sepium, filipendula ulmaria, phalaris arundinacea, solanum dulcamara, populus canadensis, iris pseudacorus, galium aparine, lycopus europaeus, lysimachia vulgaris, glechoma hederacea, lythrum salicaria, poa trivialis, alnus glutinosa, angelica sylvestris, ranunculus repens, galeopsis tetrahit, cirsium arvense, calamagrostis canescens, humulus lupulus, juncus effusus, galium palustre, cirsium palustre, quercus robur, heracleum sphondylium, cardamine pratensis, carex acuta, sambucus nigra, eupatorium cannabinum, salix cinerea, epilobium hirsutum, persicaria hydropiper, holcus lanatus, fraxinus excelsior, carex riparia, alopecurus pratensis, glyceria maxima, valeriana excelsa, carex acutiformis, myosotis scorpioides, crataegus monogyna, rumex obtusifolius, agrostis stolonifera, scutellaria galericulata, stachys palustris, rubus caesius, caltha palustris, equisetum palustre