be, arr. leuven, quercus robur, corylus avellana, lonicera periclymenum, fraxinus excelsior, polygonatum multiflorum, hedera helix, acer pseudoplatanus, arum maculatum, carpinus betulus, sambucus nigra, anemone nemorosa, prunus avium, fagus sylvatica, hyacinthoides non-scripta, glechoma hederacea, crataegus monogyna, adoxa moschatellina, lamium galeobdolon, sorbus aucuparia, castanea sativa, ribes rubrum, ficaria verna, geum urbanum, heracleum sphondylium, betula pendula, alnus glutinosa, primula elatior, silene dioica, urtica dioica, athyrium filix-femina, viburnum opulus, galium aparine, circaea lutetiana, angelica sylvestris, dryopteris carthusiana, holcus mollis, frangula alnus, dryopteris filix-mas, cornus sanguinea, filipendula ulmaria, stachys sylvatica, quercus rubra, galeopsis tetrahit, betula pubescens, teucrium scorodonia, ulmus minor, pteridium aquilinum, rabelera holostea, scrophularia nodosa, convallaria majalis