gb, hertfordshire, fagus sylvatica, ilex aquifolium, betula pubescens, quercus robur, lonicera periclymenum, pteridium aquilinum, oxalis acetosella, hedera helix, deschampsia flexuosa, dryopteris dilatata, vaccinium myrtillus, avenella flexuosa, sorbus aucuparia, fraxinus excelsior, corylus avellana, quercus petraea, dryopteris filix-mas, betula pendula, hyacinthoides non-scripta, acer pseudoplatanus, luzula pilosa, holcus mollis, dryopteris carthusiana, athyrium filix-femina, anemone nemorosa, castanea sativa, carex sylvatica, circaea lutetiana, crataegus monogyna, teucrium scorodonia, carpinus betulus, milium effusum, lamium galeobdolon, rabelera holostea, viola riviniana, luzula sylvatica, pinus sylvestris, euphorbia amygdaloides, mercurialis perennis, polygonatum multiflorum, prunus avium, ajuga reptans, carex pilulifera, calluna vulgaris, frangula alnus, geranium robertianum, geum urbanum, deschampsia cespitosa, lysimachia nemorum, arum maculatum