be, arr. leuven, fraxinus excelsior, corylus avellana, quercus robur, acer pseudoplatanus, lonicera periclymenum, fagus sylvatica, hedera helix, athyrium filix-femina, carpinus betulus, sambucus nigra, polygonatum multiflorum, circaea lutetiana, anemone nemorosa, prunus avium, sorbus aucuparia, primula elatior, arum maculatum, urtica dioica, dryopteris carthusiana, geum urbanum, alnus glutinosa, ficaria verna, glechoma hederacea, lamium galeobdolon, carex sylvatica, adoxa moschatellina, betula pendula, crataegus monogyna, milium effusum, galium aparine, dryopteris filix-mas, castanea sativa, moehringia trinervia, stachys sylvatica, viburnum opulus, deschampsia cespitosa, luzula pilosa, dryopteris dilatata, galeopsis tetrahit, quercus rubra, ribes rubrum, carex remota, geranium robertianum, ulmus minor, scrophularia nodosa, paris quadrifolia, ajuga reptans, cornus sanguinea, betula pubescens, oxalis acetosella