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