gb, hertfordshire, lonicera periclymenum, quercus robur, pteridium aquilinum, fagus sylvatica, ilex aquifolium, betula pubescens, hedera helix, crataegus monogyna, quercus petraea, betula pendula, corylus avellana, teucrium scorodonia, hyacinthoides non-scripta, avenella flexuosa, fraxinus excelsior, viola riviniana, deschampsia flexuosa, sorbus aucuparia, holcus mollis, rubus fruticosus, dryopteris dilatata, castanea sativa, oxalis acetosella, mercurialis perennis, dryopteris filix-mas, calluna vulgaris, agrostis capillaris, geum urbanum, acer pseudoplatanus, brachypodium sylvaticum, galium aparine, vaccinium myrtillus, anemone nemorosa, rabelera holostea, arum maculatum, euphorbia amygdaloides, urtica dioica, carpinus betulus, geranium robertianum, fragaria vesca, prunus avium, holcus lanatus, carex sylvatica, prunus spinosa, circaea lutetiana, veronica chamaedrys, pinus sylvestris, anthoxanthum odoratum, melica uniflora, acer campestre