gb, orkney islands, jacobaea vulgaris, cirsium arvense, plantago lanceolata, trifolium repens, achillea millefolium, heracleum sphondylium, holcus lanatus, galium verum, lolium perenne, ranunculus repens, arrhenatherum elatius, lotus corniculatus, dactylis glomerata, urtica dioica, cerastium fontanum, poa pratensis, cirsium vulgare, geranium molle, rumex crispus, festuca rubra, agrostis stolonifera, carex arenaria, bellis perennis, sonchus arvensis, poa annua, rumex acetosa, senecio vulgaris, vicia sativa, stellaria media, erodium cicutarium, daucus carota, sonchus asper, trifolium pratense, bromus hordeaceus, elymus repens, ranunculus acris, veronica arvensis, galium aparine, myosotis arvensis, capsella bursa-pastoris, agrostis capillaris, argentina anserina, viola tricolor, poa trivialis, plantago major, medicago lupulina, hypochaeris radicata, arenaria serpyllifolia, centaurea nigra, lysimachia arvensis