be, arr. leuven, filipendula ulmaria, populus canadensis, angelica sylvestris, quercus robur, urtica dioica, alnus glutinosa, ranunculus repens, galium aparine, heracleum sphondylium, glechoma hederacea, cirsium palustre, symphytum officinale, galeopsis tetrahit, poa trivialis, juncus effusus, fraxinus excelsior, holcus lanatus, phalaris arundinacea, cardamine pratensis, alopecurus pratensis, lysimachia vulgaris, sambucus nigra, lythrum salicaria, humulus lupulus, ficaria verna, iris pseudacorus, phragmites australis, ribes rubrum, arrhenatherum elatius, carex acuta, cirsium arvense, calystegia sepium, carex acutiformis, solanum dulcamara, corylus avellana, equisetum palustre, silene dioica, lycopus europaeus, athyrium filix-femina, galium palustre, viburnum opulus, anemone nemorosa, crataegus monogyna, rumex acetosa, valeriana excelsa, geum urbanum, lonicera periclymenum, silene flos-cuculi, sorbus aucuparia, caltha palustris