be, arr. leuven, populus canadensis, quercus robur, urtica dioica, glechoma hederacea, filipendula ulmaria, angelica sylvestris, heracleum sphondylium, galium aparine, fraxinus excelsior, alnus glutinosa, sambucus nigra, ranunculus repens, symphytum officinale, poa trivialis, galeopsis tetrahit, crataegus monogyna, cirsium arvense, phalaris arundinacea, holcus lanatus, arrhenatherum elatius, calystegia sepium, humulus lupulus, juncus effusus, corylus avellana, cirsium palustre, phragmites australis, alopecurus pratensis, ribes rubrum, geum urbanum, iris pseudacorus, cardamine pratensis, ficaria verna, lythrum salicaria, lysimachia vulgaris, solanum dulcamara, silene dioica, lonicera periclymenum, lycopus europaeus, betula pendula, viburnum opulus, acer pseudoplatanus, agrostis capillaris, prunus serotina, sorbus aucuparia, dactylis glomerata, deschampsia cespitosa, frangula alnus, ranunculus acris, carex acuta, athyrium filix-femina