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