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