gb, north northamptonshire, fraxinus excelsior, mercurialis perennis, hedera helix, crataegus monogyna, arum maculatum, acer pseudoplatanus, urtica dioica, geum urbanum, corylus avellana, fagus sylvatica, brachypodium sylvaticum, galium aparine, dryopteris filix-mas, geranium robertianum, hyacinthoides non-scripta, circaea lutetiana, ulmus glabra, carex sylvatica, ilex aquifolium, oxalis acetosella, sambucus nigra, rubus fruticosus, galium odoratum, viola riviniana, acer campestre, dryopteris dilatata, quercus robur, viola reichenbachiana, lonicera periclymenum, veronica montana, ficaria verna, deschampsia cespitosa, anemone nemorosa, glechoma hederacea, heracleum sphondylium, allium ursinum, sanicula europaea, melica uniflora, lamium galeobdolon, stachys sylvatica, primula acaulis, fragaria vesca, athyrium filix-femina, asplenium scolopendrium, pteridium aquilinum, sorbus aucuparia, betula pubescens, poa trivialis, prunus avium, dactylis glomerata