gb, west surrey, pinus sylvestris, avenella flexuosa, quercus robur, betula pendula, deschampsia flexuosa, sorbus aucuparia, calluna vulgaris, vaccinium myrtillus, prunus serotina, dryopteris dilatata, quercus rubra, ceratocapnos claviculata, frangula alnus, amelanchier lamarckii, molinia caerulea, ilex aquifolium, agrostis capillaris, fagus sylvatica, betula pubescens, rhododendron ponticum, lonicera periclymenum, pseudotsuga menziesii, castanea sativa, pteridium aquilinum, carex pilulifera, rumex acetosella, pinus nigra, galium saxatile, erica tetralix, rumex angiocarpus, agrostis vinealis, dryopteris carthusiana, claytonia sibirica, quercus petraea, teucrium scorodonia, picea abies, erica cinerea, vaccinium vitis-idaea, digitalis purpurea, melampyrum pratense, larix kaempferi, juncus tenuis, larix decidua, cytisus scoparius, carex arenaria, holcus lanatus, geum macrophyllum, ulex europaeus, pinus pinaster, acer pseudoplatanus