be, arr. leuven, populus canadensis, quercus rubra, quercus robur, urtica dioica, sambucus nigra, prunus serotina, alnus glutinosa, fraxinus excelsior, angelica sylvestris, filipendula ulmaria, corylus avellana, castanea sativa, glechoma hederacea, ranunculus repens, alnus incana, heracleum sphondylium, acer pseudoplatanus, juncus effusus, galium aparine, athyrium filix-femina, poa trivialis, humulus lupulus, sorbus aucuparia, galanthus nivalis, cardamine pratensis, potentilla indica, lonicera periclymenum, galeopsis tetrahit, holcus lanatus, silene dioica, symphytum officinale, cirsium oleraceum, impatiens glandulifera, lysimachia vulgaris, ficaria verna, cirsium palustre, eupatorium cannabinum, ribes rubrum, viburnum opulus, geum urbanum, lythrum salicaria, polygonatum multiflorum, lamium galeobdolon, dryopteris carthusiana, robinia pseudoacacia, primula elatior, salix caprea, lycopus europaeus, prunus avium, anemone nemorosa