gb, hertfordshire, lonicera periclymenum, quercus robur, ilex aquifolium, pteridium aquilinum, betula pubescens, fagus sylvatica, quercus petraea, hyacinthoides non-scripta, corylus avellana, hedera helix, sorbus aucuparia, fraxinus excelsior, holcus mollis, betula pendula, deschampsia flexuosa, acer pseudoplatanus, avenella flexuosa, oxalis acetosella, crataegus monogyna, dryopteris dilatata, viola riviniana, vaccinium myrtillus, rabelera holostea, teucrium scorodonia, castanea sativa, dryopteris filix-mas, anemone nemorosa, geum urbanum, circaea lutetiana, arum maculatum, mercurialis perennis, conopodium majus, agrostis capillaris, prunus avium, galium aparine, primula vulgaris, galium saxatile, quercus rosacea, geranium robertianum, urtica dioica, sambucus nigra, calluna vulgaris, anthoxanthum odoratum, digitalis purpurea, luzula pilosa, carpinus betulus, euphorbia amygdaloides, holcus lanatus, milium effusum, carex sylvatica