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