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