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