be, arr. leuven, populus canadensis, filipendula ulmaria, urtica dioica, angelica sylvestris, symphytum officinale, quercus robur, glechoma hederacea, galeopsis tetrahit, galium aparine, ranunculus repens, cirsium arvense, heracleum sphondylium, poa trivialis, alnus glutinosa, phalaris arundinacea, phragmites australis, calystegia sepium, iris pseudacorus, holcus lanatus, cirsium palustre, juncus effusus, fraxinus excelsior, alopecurus pratensis, sambucus nigra, arrhenatherum elatius, lythrum salicaria, lysimachia vulgaris, cardamine pratensis, humulus lupulus, lycopus europaeus, ribes rubrum, crataegus monogyna, carex acuta, solanum dulcamara, carex acutiformis, geum urbanum, ficaria verna, eupatorium cannabinum, rumex obtusifolius, galium palustre, agrostis capillaris, viburnum opulus, deschampsia cespitosa, persicaria hydropiper, ranunculus acris, rumex acetosa, calamagrostis canescens, rubus caesius, silene dioica, dactylis glomerata