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