gb, northumberland, cirsium arvense, ranunculus repens, heracleum sphondylium, urtica dioica, trifolium repens, lolium perenne, plantago lanceolata, achillea millefolium, matricaria discoidea, capsella bursa-pastoris, galium aparine, stellaria media, dactylis glomerata, poa annua, rumex crispus, plantago major, holcus lanatus, rumex obtusifolius, polygonum aviculare, anthriscus sylvestris, lamium album, poa trivialis, cirsium vulgare, ranunculus acris, agrostis stolonifera, arrhenatherum elatius, geranium dissectum, bellis perennis, epilobium hirsutum, trifolium pratense, rumex acetosa, elymus repens, sonchus asper, persicaria maculosa, jacobaea vulgaris, convolvulus arvensis, senecio vulgaris, cerastium fontanum, lamium purpureum, argentina anserina, lathyrus pratensis, centaurea nigra, equisetum arvense, sisymbrium officinale, sonchus arvensis, veronica persica, vicia sativa, chenopodium album, poa pratensis, potentilla reptans