gb, central bedfordshire, calluna vulgaris, pinus sylvestris, erica cinerea, pteridium aquilinum, avenella flexuosa, agrostis capillaris, ulex europaeus, ceratocapnos claviculata, rumex acetosella, galium saxatile, betula pendula, deschampsia flexuosa, quercus robur, erica tetralix, molinia caerulea, rubus fruticosus, teucrium scorodonia, rumex angiocarpus, cytisus scoparius, vaccinium myrtillus, betula pubescens, holcus lanatus, holcus mollis, sorbus aucuparia, anthoxanthum odoratum, potentilla erecta, frangula alnus, digitalis purpurea, carex pilulifera, carex arenaria, lonicera periclymenum, hypochaeris radicata, festuca ovina, agrostis vinealis, luzula campestris, juncus effusus, aira praecox, castanea sativa, veronica officinalis, rhododendron ponticum, ilex aquifolium, jacobaea vulgaris, struthiopteris spicant, ulex minor, pinus pinaster, prunus serotina, luzula multiflora, juncus squarrosus, dryopteris dilatata, danthonia decumbens