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