be, arr. leuven, urtica dioica, populus canadensis, filipendula ulmaria, galium aparine, alnus glutinosa, quercus robur, angelica sylvestris, glechoma hederacea, poa trivialis, symphytum officinale, fraxinus excelsior, ranunculus repens, sambucus nigra, phalaris arundinacea, humulus lupulus, galeopsis tetrahit, heracleum sphondylium, solanum dulcamara, phragmites australis, iris pseudacorus, cirsium palustre, calystegia sepium, lysimachia vulgaris, crataegus monogyna, lycopus europaeus, ribes rubrum, cardamine pratensis, juncus effusus, lythrum salicaria, ficaria verna, silene dioica, holcus lanatus, geum urbanum, galium palustre, cirsium arvense, viburnum opulus, corylus avellana, athyrium filix-femina, salix cinerea, acer pseudoplatanus, dryopteris carthusiana, calamagrostis canescens, deschampsia cespitosa, alopecurus pratensis, carex acutiformis, carex acuta, persicaria hydropiper, valeriana excelsa, sorbus aucuparia, rubus caesius