gb, north northamptonshire, crataegus monogyna, pteridium aquilinum, rubus fruticosus, quercus robur, lonicera periclymenum, hedera helix, betula pendula, ilex aquifolium, urtica dioica, fagus sylvatica, fraxinus excelsior, corylus avellana, galium aparine, quercus petraea, geum urbanum, teucrium scorodonia, holcus lanatus, holcus mollis, betula pubescens, avenella flexuosa, agrostis capillaris, prunus spinosa, viola riviniana, castanea sativa, veronica chamaedrys, dactylis glomerata, dryopteris filix-mas, hyacinthoides non-scripta, brachypodium sylvaticum, rabelera holostea, pinus sylvestris, geranium robertianum, sorbus aucuparia, deschampsia flexuosa, oxalis acetosella, glechoma hederacea, fragaria vesca, cirsium arvense, acer pseudoplatanus, mercurialis perennis, dryopteris dilatata, calluna vulgaris, sambucus nigra, anthoxanthum odoratum, deschampsia cespitosa, ranunculus repens, ulex europaeus, prunus avium, acer campestre, carpinus betulus