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This undated photo provided by Osborne and Little shows wallpaper created by Londoner Nina Campbell. Campbell's new Fontibre collection for Osborne & Little is inspired by the travels of her great uncle, who was an accomplished watercolorist. Campbell's Fontibre pattern, shown here, is named after the source of the River Ebro in the Iberian Peninsula and features an arrangement of stylized painted foliage. (Simon Brown/Osborne and Little via AP)
With arrow shaped leaves, pale flowers and an aggressive spreading habit, bindweed is easy to recognize