be, arr. oostende, quercus robur, lonicera periclymenum, fraxinus excelsior, corylus avellana, sorbus aucuparia, betula pubescens, acer pseudoplatanus, hedera helix, alnus glutinosa, dryopteris dilatata, athyrium filix-femina, dryopteris carthusiana, sambucus nigra, crataegus monogyna, urtica dioica, frangula alnus, castanea sativa, fagus sylvatica, betula pendula, circaea lutetiana, glechoma hederacea, geum urbanum, polygonatum multiflorum, juncus effusus, ilex aquifolium, quercus rubra, carex remota, pteridium aquilinum, molinia caerulea, prunus serotina, hyacinthoides non-scripta, galium aparine, lamium galeobdolon, anemone nemorosa, teucrium scorodonia, viburnum opulus, holcus mollis, salix cinerea, ficaria verna, dryopteris filix-mas, carpinus betulus, arum maculatum, populus canadensis, prunus avium, angelica sylvestris, primula elatior, filipendula ulmaria, poa trivialis, deschampsia cespitosa, ribes rubrum