gb, west surrey, pteridium aquilinum, quercus robur, ilex aquifolium, lonicera periclymenum, fagus sylvatica, betula pubescens, hedera helix, betula pendula, sorbus aucuparia, avenella flexuosa, deschampsia flexuosa, hyacinthoides non-scripta, castanea sativa, dryopteris dilatata, teucrium scorodonia, quercus petraea, calluna vulgaris, vaccinium myrtillus, acer pseudoplatanus, agrostis capillaris, corylus avellana, oxalis acetosella, pinus sylvestris, holcus mollis, rubus fruticosus, digitalis purpurea, galium saxatile, viola riviniana, fraxinus excelsior, rhododendron ponticum, crataegus monogyna, ulex europaeus, rabelera holostea, dryopteris filix-mas, erica cinerea, ceratocapnos claviculata, anthoxanthum odoratum, taxus baccata, holcus lanatus, sambucus nigra, urtica dioica, frangula alnus, melampyrum pratense, molinia caerulea, prunus avium, polypodium vulgare, geranium robertianum, galium aparine, conopodium majus, cytisus scoparius