gb, west northamptonshire, quercus robur, lonicera periclymenum, hedera helix, fagus sylvatica, pteridium aquilinum, ilex aquifolium, fraxinus excelsior, corylus avellana, dryopteris dilatata, betula pubescens, sorbus aucuparia, crataegus monogyna, oxalis acetosella, acer pseudoplatanus, deschampsia flexuosa, quercus petraea, avenella flexuosa, holcus mollis, vaccinium myrtillus, dryopteris filix-mas, hyacinthoides non-scripta, betula pendula, geum urbanum, teucrium scorodonia, geranium robertianum, castanea sativa, urtica dioica, viola riviniana, rabelera holostea, agrostis capillaris, sambucus nigra, galium aparine, mercurialis perennis, circaea lutetiana, primula vulgaris, athyrium filix-femina, brachypodium sylvaticum, anemone nemorosa, veronica chamaedrys, holcus lanatus, silene dioica, prunus avium, arum maculatum, ulmus glabra, dryopteris affinis, dactylis glomerata, ranunculus repens, luzula sylvatica, euphorbia amygdaloides, fragaria vesca