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'''Alfred Rehder''' (4 September 1863, [[Waldenburg, Saxony]] &ndash; 25 July 1949) was a [[horticulturist]] and [[taxonomist]] who worked at the [[Arnold Arboretum]] of [[Harvard University]]. Rehder was a newspaper writer from [[Germany]] who was originally hired as a laborer at the Arnold Arboretum. His talents for horticultural plant taxonomy were soon recognized, however. Early in his employment he was sent to [[Europe]] to purchase books for the library at the Arboretum. When the ''Journal of the Arnold Arboretum'' was started in 1919, Rehder was co-editor, along with the Arboretum director, [[Charles Sprague Sargent]]. Rehder produced a new edition of ''Manual of Cultivated Trees and Shrubs'' and authored the ''Bibliography of Cultivated Trees and Shrubs'' and ''The Bradley bibliography''.<ref>Howard, Richard A. (1975) The Arnold Arboretum. ''Botanical Society of America Plant Science Bulletin''. June, 1975. Vol. 21 No. 2 [http://www.botany.org/PlantScienceBulletin/psb-1975-21-2.php] - URL retrieved February 26, 2006</ref><ref>{{cite web|url=http://www.meemelink.com/books+pages/references.html |title=Antiquariaat Jan Meemelink flower books + prints |accessdate=June 30, 2008 }}{{dead link|date=September 2016|bot=medic}}{{cbignore|bot=medic}} - URL retrieved February 26, 2006</ref> He was co-author, with [[Ernest Henry Wilson]], of ''Plantae Wilsonianae'' and ''A Monograph of Azaleas''.<ref>[http://hcs.osu.edu/hort/history/130.html History of Horticulture - Ernest Henry Wilson] - URL retrieved February 26, 2006</ref>
'''Alfred Rehder''' (4 September 1863, [[Waldenburg, Saxony]] &ndash; 25 July 1949) was a [[horticulturist]] and [[taxonomist]] who worked at the [[Arnold Arboretum]] of [[Harvard University]]. Rehder was a newspaper writer from [[Germany]] who was originally hired as a laborer at the Arnold Arboretum. His talents for horticultural plant taxonomy were soon recognized, however. Early in his employment he was sent to [[Europe]] to purchase books for the library at the Arboretum. When the ''Journal of the Arnold Arboretum'' was started in 1919, Rehder was co-editor, along with the Arboretum director, [[Charles Sprague Sargent]]. Rehder produced a new edition of ''Manual of Cultivated Trees and Shrubs'' and authored the ''Bibliography of Cultivated Trees and Shrubs'' and ''The Bradley bibliography''.<ref>Howard, Richard A. (1975) The Arnold Arboretum. ''Botanical Society of America Plant Science Bulletin''. June, 1975. Vol. 21 No. 2 [http://www.botany.org/PlantScienceBulletin/psb-1975-21-2.php] - URL retrieved February 26, 2006</ref><ref>{{cite web|url=http://www.meemelink.com/books+pages/references.html |title=Antiquariaat Jan Meemelink flower books + prints |accessdate=June 30, 2008 }}{{dead link|date=September 2016|bot=medic}}{{cbignore|bot=medic}} - URL retrieved February 26, 2006</ref> He was co-author, with [[Ernest Henry Wilson]], of ''Plantae Wilsonianae'' and ''A Monograph of Azaleas''.<ref>[http://hcs.osu.edu/hort/history/130.html History of Horticulture - Ernest Henry Wilson] {{webarchive|url=https://web.archive.org/web/20060524102645/http://hcs.osu.edu/hort/history/130.html |date=2006-05-24 }} - URL retrieved February 26, 2006</ref>
Rehder created the first system of [[isotherm (contour line)|isothermic zones]] for the [[United States]] that related average winter minimum temperatures to the [[Hardiness (plants)|hardiness]] of specific plants. The system, along with another developed by [[Wladimir Köppen]], is the basis for the [[United States Department of Agriculture|USDA]] [[Hardiness zone]] maps in use today.
Rehder created the first system of [[isotherm (contour line)|isothermic zones]] for the [[United States]] that related average winter minimum temperatures to the [[Hardiness (plants)|hardiness]] of specific plants. The system, along with another developed by [[Wladimir Köppen]], is the basis for the [[United States Department of Agriculture|USDA]] [[Hardiness zone]] maps in use today.

Revision as of 12:02, 1 July 2017

Alfred Rehder (4 September 1863, Waldenburg, Saxony – 25 July 1949) was a horticulturist and taxonomist who worked at the Arnold Arboretum of Harvard University. Rehder was a newspaper writer from Germany who was originally hired as a laborer at the Arnold Arboretum. His talents for horticultural plant taxonomy were soon recognized, however. Early in his employment he was sent to Europe to purchase books for the library at the Arboretum. When the Journal of the Arnold Arboretum was started in 1919, Rehder was co-editor, along with the Arboretum director, Charles Sprague Sargent. Rehder produced a new edition of Manual of Cultivated Trees and Shrubs and authored the Bibliography of Cultivated Trees and Shrubs and The Bradley bibliography.[1][2] He was co-author, with Ernest Henry Wilson, of Plantae Wilsonianae and A Monograph of Azaleas.[3]

Rehder created the first system of isothermic zones for the United States that related average winter minimum temperatures to the hardiness of specific plants. The system, along with another developed by Wladimir Köppen, is the basis for the USDA Hardiness zone maps in use today.

References

Notes

  1. ^ Howard, Richard A. (1975) The Arnold Arboretum. Botanical Society of America Plant Science Bulletin. June, 1975. Vol. 21 No. 2 [1] - URL retrieved February 26, 2006
  2. ^ "Antiquariaat Jan Meemelink flower books + prints". Retrieved June 30, 2008.[dead link] - URL retrieved February 26, 2006
  3. ^ History of Horticulture - Ernest Henry Wilson Archived 2006-05-24 at the Wayback Machine - URL retrieved February 26, 2006
  4. ^ International Plant Names Index.  Rehder.

Bibliography