be, arr. leuven, quercus robur, populus canadensis, filipendula ulmaria, glechoma hederacea, alnus glutinosa, urtica dioica, fraxinus excelsior, ribes rubrum, angelica sylvestris, galium aparine, symphytum officinale, sambucus nigra, galeopsis tetrahit, heracleum sphondylium, humulus lupulus, crataegus monogyna, corylus avellana, ficaria verna, geum urbanum, viburnum opulus, silene dioica, cardamine pratensis, moehringia trinervia, poa trivialis, ranunculus repens, iris pseudacorus, athyrium filix-femina, lonicera periclymenum, acer pseudoplatanus, phalaris arundinacea, cirsium palustre, solanum dulcamara, sorbus aucuparia, calystegia sepium, circaea lutetiana, primula elatior, juncus effusus, dryopteris carthusiana, lycopus europaeus, anemone nemorosa, phragmites australis, lythrum salicaria, lysimachia vulgaris, alnus incana, rubus caesius, polygonatum multiflorum, geranium robertianum, cornus sanguinea, stachys sylvatica, prunus avium