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