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