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