gb, east riding of yorkshire, hippophae rhamnoides, jacobaea vulgaris, eryngium maritimum, cakile maritima, elymus athericus, crambe maritima, sonchus arvensis, tripolium pannonicum, euphorbia paralias, cirsium arvense, festuca rubra, sedum acre, urtica dioica, cynoglossum officinale, leymus arenarius, ononis spinosa, rubus caesius, solanum dulcamara, rosa rugosa, carex arenaria, galium aparine, lysimachia maritima, glaucium flavum, galium verum, ligustrum vulgare, phragmites australis, diplotaxis tenuifolia, agrostis stolonifera, limonium vulgare, honckenya peploides, atriplex prostrata, populus alba, plantago lanceolata, hypochaeris radicata, dactylis glomerata, sambucus nigra, thinopyrum junceiforme, suaeda maritima, elymus repens, lotus corniculatus, atriplex portulacoides, puccinellia maritima, crataegus monogyna, arrhenatherum elatius, althaea officinalis, tripleurospermum maritimum, rumex crispus, sonchus asper, senecio vulgaris, cirsium vulgare