Before revision: The Herbert Medal is awarded by the International Bulb Society to those whose achievements in advancing knowledge of ornamental bulbous plants is considered to be URL The medal is named for William Herbert, a noted 19th-century botanist.
After revision: The Herbert Medal is awarded by the International Bulb Society to those whose achievements in advancing knowledge of ornamental bulbous plants is considered to be outstanding.International Bulb Society The medal is named for William Herbert, a noted 19th-century botanist.