nl, twente, fagus sylvatica, quercus robur, sorbus aucuparia, lonicera periclymenum, hedera helix, ilex aquifolium, acer pseudoplatanus, corylus avellana, polygonatum multiflorum, fraxinus excelsior, prunus serotina, maianthemum bifolium, sambucus nigra, anemone nemorosa, oxalis acetosella, frangula alnus, dryopteris dilatata, carpinus betulus, quercus rubra, impatiens parviflora, milium effusum, rabelera holostea, prunus avium, rubus idaeus, dryopteris carthusiana, betula pendula, poa nemoralis, moehringia trinervia, avenella flexuosa, urtica dioica, deschampsia flexuosa, prunus padus, lamium galeobdolon, pteridium aquilinum, geum urbanum, convallaria majalis, holcus mollis, galium aparine, galeopsis tetrahit, pinus sylvestris, circaea lutetiana, deschampsia cespitosa, stachys sylvatica, euonymus europaeus, athyrium filix-femina, ceratocapnos claviculata, betula pubescens, alnus glutinosa, vaccinium myrtillus, glechoma hederacea