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