be, arr. aalst, quercus robur, corylus avellana, quercus rubra, lonicera periclymenum, castanea sativa, sambucus nigra, acer pseudoplatanus, sorbus aucuparia, fraxinus excelsior, prunus serotina, polygonatum multiflorum, hedera helix, prunus avium, frangula alnus, betula pendula, alnus glutinosa, urtica dioica, populus canadensis, anemone nemorosa, athyrium filix-femina, lamium galeobdolon, ribes rubrum, fagus sylvatica, viburnum opulus, carpinus betulus, heracleum sphondylium, glechoma hederacea, crataegus monogyna, angelica sylvestris, galium aparine, galeopsis tetrahit, teucrium scorodonia, dryopteris carthusiana, robinia pseudoacacia, primula elatior, ficaria verna, arum maculatum, dryopteris dilatata, geum urbanum, alnus incana, adoxa moschatellina, ranunculus repens, salix caprea, holcus mollis, filipendula ulmaria, betula pubescens, holcus lanatus, pteridium aquilinum, juncus effusus, convallaria majalis