be, arr. leuven, urtica dioica, symphytum officinale, filipendula ulmaria, phalaris arundinacea, galium aparine, glechoma hederacea, iris pseudacorus, poa trivialis, ranunculus repens, calystegia sepium, humulus lupulus, solanum dulcamara, phragmites australis, lythrum salicaria, lysimachia vulgaris, lycopus europaeus, alnus glutinosa, carex acuta, galeopsis tetrahit, angelica sylvestris, galium palustre, populus canadensis, cirsium arvense, alopecurus pratensis, quercus robur, glyceria maxima, heracleum sphondylium, sambucus nigra, juncus effusus, fraxinus excelsior, cardamine pratensis, persicaria hydropiper, calamagrostis canescens, bidens frondosa, carex acutiformis, rubus caesius, holcus lanatus, ficaria verna, caltha palustris, cirsium palustre, stachys palustris, impatiens glandulifera, lysimachia nummularia, carex riparia, deschampsia cespitosa, rumex obtusifolius, arrhenatherum elatius, persicaria amphibia, geum urbanum, anthriscus sylvestris