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