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