be, arr. oostende, quercus robur, fraxinus excelsior, lonicera periclymenum, corylus avellana, urtica dioica, alnus glutinosa, hedera helix, dryopteris dilatata, acer pseudoplatanus, sambucus nigra, juncus effusus, crataegus monogyna, athyrium filix-femina, castanea sativa, sorbus aucuparia, betula pubescens, galium aparine, dryopteris carthusiana, glechoma hederacea, ranunculus repens, circaea lutetiana, angelica sylvestris, carex remota, quercus rubra, holcus lanatus, filipendula ulmaria, cirsium palustre, geum urbanum, frangula alnus, prunus serotina, fagus sylvatica, hyacinthoides non-scripta, ilex aquifolium, poa trivialis, populus canadensis, salix cinerea, betula pendula, cardamine pratensis, pteridium aquilinum, molinia caerulea, eupatorium cannabinum, phragmites australis, silene dioica, ficaria verna, lamium galeobdolon, lysimachia vulgaris, polygonatum multiflorum, geranium robertianum, rhododendron ponticum, galium palustre