be, arr. oudenaarde, acer pseudoplatanus, quercus robur, fraxinus excelsior, corylus avellana, hedera helix, lonicera periclymenum, sambucus nigra, polygonatum multiflorum, fagus sylvatica, sorbus aucuparia, crataegus monogyna, arum maculatum, anemone nemorosa, glechoma hederacea, castanea sativa, geum urbanum, alnus glutinosa, circaea lutetiana, athyrium filix-femina, urtica dioica, hyacinthoides non-scripta, prunus avium, lamium galeobdolon, carpinus betulus, ficaria verna, dryopteris dilatata, ribes rubrum, betula pubescens, galium aparine, silene dioica, adoxa moschatellina, betula pendula, prunus serotina, dryopteris carthusiana, primula elatior, dryopteris filix-mas, quercus rubra, viburnum opulus, ilex aquifolium, populus canadensis, poa trivialis, pteridium aquilinum, geranium robertianum, carex sylvatica, viola riviniana, ulmus minor, ajuga reptans, stachys sylvatica, frangula alnus, angelica sylvestris