be, arr. oudenaarde, acer pseudoplatanus, corylus avellana, fraxinus excelsior, quercus robur, hedera helix, lonicera periclymenum, sambucus nigra, castanea sativa, arum maculatum, hyacinthoides non-scripta, fagus sylvatica, sorbus aucuparia, polygonatum multiflorum, prunus avium, lamium galeobdolon, adoxa moschatellina, dryopteris dilatata, urtica dioica, anemone nemorosa, athyrium filix-femina, crataegus monogyna, galium aparine, geum urbanum, primula elatior, circaea lutetiana, betula pubescens, betula pendula, ilex aquifolium, dryopteris filix-mas, ficaria verna, carpinus betulus, glechoma hederacea, heracleum sphondylium, ribes rubrum, mercurialis perennis, alnus glutinosa, pteridium aquilinum, geranium robertianum, stachys sylvatica, quercus rubra, carex sylvatica, silene dioica, viburnum opulus, dryopteris carthusiana, cornus sanguinea, salix caprea, ulmus minor, paris quadrifolia, frangula alnus, teucrium scorodonia