be, arr. leuven, alnus glutinosa, fraxinus excelsior, quercus robur, filipendula ulmaria, urtica dioica, corylus avellana, sambucus nigra, humulus lupulus, athyrium filix-femina, glechoma hederacea, circaea lutetiana, acer pseudoplatanus, lysimachia vulgaris, solanum dulcamara, angelica sylvestris, galium aparine, alnus incana, iris pseudacorus, dryopteris carthusiana, lycopus europaeus, viburnum opulus, geum urbanum, populus canadensis, ribes rubrum, juncus effusus, lythrum salicaria, cirsium palustre, carex acutiformis, poa trivialis, sorbus aucuparia, ranunculus repens, ficaria verna, galium palustre, carex remota, symphytum officinale, anemone nemorosa, lonicera periclymenum, phalaris arundinacea, crataegus monogyna, cirsium oleraceum, salix cinerea, frangula alnus, cardamine pratensis, phragmites australis, eupatorium cannabinum, galeopsis tetrahit, deschampsia cespitosa, silene dioica, primula elatior, prunus padus