be, arr. leuven, acer pseudoplatanus, fraxinus excelsior, circaea lutetiana, urtica dioica, athyrium filix-femina, corylus avellana, quercus robur, sambucus nigra, fagus sylvatica, glechoma hederacea, hedera helix, carpinus betulus, dryopteris carthusiana, anemone nemorosa, lonicera periclymenum, arum maculatum, alnus glutinosa, geum urbanum, deschampsia cespitosa, lamium galeobdolon, ficaria verna, carex remota, carex sylvatica, dryopteris dilatata, milium effusum, galium aparine, dryopteris filix-mas, juncus effusus, primula elatior, stachys sylvatica, silene dioica, galeopsis tetrahit, geranium robertianum, polygonatum multiflorum, ranunculus repens, oxalis acetosella, prunus avium, angelica sylvestris, cardamine pratensis, poa trivialis, sorbus aucuparia, ajuga reptans, castanea sativa, quercus rubra, filipendula ulmaria, scrophularia nodosa, populus canadensis, veronica montana, crataegus monogyna, hyacinthoides non-scripta