gb, cambridgeshire cc, dactylis glomerata, urtica dioica, cirsium arvense, convolvulus arvensis, arrhenatherum elatius, triticum aestivum, elymus repens, achillea millefolium, galium aparine, anthriscus sylvestris, heracleum sphondylium, artemisia vulgaris, lamium album, tanacetum vulgare, plantago lanceolata, lolium perenne, capsella bursa-pastoris, hordeum vulgare, ranunculus repens, chenopodium album, viola arvensis, poa trivialis, tripleurospermum inodorum, brassica napus, bromus sterilis, potentilla reptans, rumex crispus, papaver rhoeas, cirsium vulgare, glechoma hederacea, matricaria chamomilla, polygonum aviculare, trifolium repens, linaria vulgaris, sisymbrium officinale, stellaria media, silene latifolia, prunus spinosa, festuca rubra, holcus lanatus, crataegus monogyna, bromus hordeaceus, reseda luteola, fallopia convolvulus, plantago major, onopordum acanthium, ballota nigra, lamium purpureum, veronica persica, geranium dissectum