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