be, arr. tongeren, quercus robur, lonicera periclymenum, corylus avellana, fraxinus excelsior, hedera helix, sambucus nigra, sorbus aucuparia, acer pseudoplatanus, betula pendula, polygonatum multiflorum, urtica dioica, betula pubescens, fagus sylvatica, prunus avium, crataegus monogyna, galium aparine, glechoma hederacea, geum urbanum, arum maculatum, anemone nemorosa, poa trivialis, frangula alnus, carpinus betulus, dryopteris carthusiana, castanea sativa, dryopteris dilatata, holcus lanatus, galeopsis tetrahit, moehringia trinervia, adoxa moschatellina, silene dioica, dryopteris filix-mas, alnus glutinosa, circaea lutetiana, ranunculus repens, heracleum sphondylium, athyrium filix-femina, pteridium aquilinum, ilex aquifolium, geranium robertianum, holcus mollis, lamium galeobdolon, viburnum opulus, cornus sanguinea, teucrium scorodonia, ficaria verna, stachys sylvatica, populus tremula, agrostis capillaris, quercus rubra