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