gb, bath and north east somerset, north somerset and south gloucestershire, rhododendron ponticum, acer pseudoplatanus, hyacinthoides non-scripta, claytonia sibirica, arum maculatum, fraxinus excelsior, rubus fruticosus, ilex aquifolium, allium ursinum, geum urbanum, circaea lutetiana, fagus sylvatica, hedera helix, mercurialis perennis, taxus baccata, asplenium scolopendrium, primula vulgaris, lysichiton americanus, geranium robertianum, silene dioica, urtica dioica, crataegus monogyna, quercus robur, ulmus glabra, galium aparine, corylus avellana, sambucus nigra, veronica montana, hypericum androsaemum, stachys sylvatica, viola riviniana, ficaria verna, lonicera periclymenum, chrysosplenium oppositifolium, digitalis purpurea, sorbus aucuparia, tellima grandiflora, conopodium majus, carex pendula, aesculus hippocastanum, dryopteris dilatata, pteridium aquilinum, oxalis acetosella, prunus avium, dryopteris filix-mas, pentaglottis sempervirens, rhododendron luteum, castanea sativa, anemone nemorosa, quercus petraea