gb, north northamptonshire, urtica dioica, galium aparine, hedera helix, crataegus monogyna, fraxinus excelsior, arum maculatum, geum urbanum, hyacinthoides non-scripta, rubus fruticosus, glechoma hederacea, mercurialis perennis, ranunculus repens, heracleum sphondylium, corylus avellana, sambucus nigra, geranium robertianum, prunus spinosa, circaea lutetiana, silene dioica, ilex aquifolium, quercus robur, poa trivialis, acer pseudoplatanus, ficaria verna, acer campestre, anthriscus sylvestris, stachys sylvatica, rabelera holostea, dioscorea communis, dryopteris filix-mas, rumex sanguineus, allium ursinum, dactylis glomerata, asplenium scolopendrium, fagus sylvatica, brachypodium sylvaticum, lonicera periclymenum, filipendula ulmaria, veronica montana, cirsium arvense, holcus lanatus, deschampsia cespitosa, euonymus europaeus, pteridium aquilinum, viola riviniana, ulmus glabra, rosa canina, alnus glutinosa, rumex obtusifolius, veronica chamaedrys