be, arr. leuven, fraxinus excelsior, filipendula ulmaria, alnus glutinosa, urtica dioica, angelica sylvestris, sambucus nigra, corylus avellana, galium aparine, quercus robur, acer pseudoplatanus, ranunculus repens, poa trivialis, cirsium oleraceum, cardamine pratensis, glechoma hederacea, juncus effusus, lythrum salicaria, heracleum sphondylium, cirsium palustre, viburnum opulus, lysimachia vulgaris, solanum dulcamara, symphytum officinale, athyrium filix-femina, calystegia sepium, carex acutiformis, ficaria verna, geum urbanum, lonicera periclymenum, eupatorium cannabinum, humulus lupulus, primula elatior, ribes rubrum, populus canadensis, caltha palustris, anemone nemorosa, crataegus monogyna, circaea lutetiana, phragmites australis, lycopus europaeus, lamium galeobdolon, scirpus sylvaticus, arum maculatum, iris pseudacorus, holcus lanatus, galium palustre, equisetum palustre, alnus incana, prunus avium, hedera helix