be, arr. tongeren, fraxinus excelsior, quercus robur, corylus avellana, acer pseudoplatanus, sambucus nigra, urtica dioica, hedera helix, galium aparine, glechoma hederacea, geum urbanum, lonicera periclymenum, arum maculatum, heracleum sphondylium, crataegus monogyna, polygonatum multiflorum, prunus avium, poa trivialis, silene dioica, alnus glutinosa, angelica sylvestris, adoxa moschatellina, primula elatior, circaea lutetiana, ficaria verna, filipendula ulmaria, ranunculus repens, cornus sanguinea, anemone nemorosa, lamium galeobdolon, stachys sylvatica, carpinus betulus, sorbus aucuparia, geranium robertianum, ribes rubrum, athyrium filix-femina, galeopsis tetrahit, viburnum opulus, populus canadensis, betula pendula, ulmus minor, dryopteris filix-mas, fagus sylvatica, holcus lanatus, deschampsia cespitosa, humulus lupulus, moehringia trinervia, betula pubescens, cardamine pratensis, paris quadrifolia, carex sylvatica