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