be, arr. tongeren, fraxinus excelsior, urtica dioica, sambucus nigra, galium aparine, acer pseudoplatanus, corylus avellana, quercus robur, arum maculatum, alnus glutinosa, heracleum sphondylium, hedera helix, glechoma hederacea, filipendula ulmaria, silene dioica, geum urbanum, ficaria verna, circaea lutetiana, angelica sylvestris, ranunculus repens, crataegus monogyna, adoxa moschatellina, poa trivialis, lamium galeobdolon, stachys sylvatica, geranium robertianum, humulus lupulus, cornus sanguinea, viburnum opulus, prunus avium, cardamine pratensis, primula elatior, ribes rubrum, anemone nemorosa, galanthus nivalis, polygonatum multiflorum, castanea sativa, lathraea clandestina, athyrium filix-femina, allium ursinum, calystegia sepium, phalaris arundinacea, hyacinthoides non-scripta, carpinus betulus, lonicera periclymenum, symphytum officinale, solanum dulcamara, populus canadensis, aegopodium podagraria, dryopteris filix-mas, caltha palustris