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