be, arr. leuven, quercus robur, corylus avellana, fraxinus excelsior, lonicera periclymenum, filipendula ulmaria, populus canadensis, angelica sylvestris, alnus glutinosa, glechoma hederacea, polygonatum multiflorum, urtica dioica, acer pseudoplatanus, sambucus nigra, heracleum sphondylium, sorbus aucuparia, silene dioica, geum urbanum, anemone nemorosa, ribes rubrum, ficaria verna, crataegus monogyna, galeopsis tetrahit, galium aparine, hedera helix, ranunculus repens, prunus avium, athyrium filix-femina, betula pendula, primula elatior, adoxa moschatellina, viburnum opulus, carpinus betulus, poa trivialis, dryopteris carthusiana, arum maculatum, frangula alnus, cardamine pratensis, humulus lupulus, juncus effusus, lamium galeobdolon, moehringia trinervia, prunus serotina, holcus mollis, betula pubescens, quercus rubra, cirsium palustre, holcus lanatus, circaea lutetiana, stachys sylvatica, deschampsia cespitosa