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American Revolution and U.S. Constitution Bicentennial Living Witness Trees Historical Markers

The International Society of Arboriculture and the National Arborist Association (now called the Tree Care Industry Association) decided to combine national history with natural history by creating a bicentennial tree recognition program. Communities around the country nominated significant trees that were over 200 years of age, with 61 trees certified as "living witnesses" to the time of the Constitution's signing on September 17, 1787. This series also includes markers by the same organizations honoring American Revolution witness trees.
 
By Joseph Cavinato, June 23, 2009
The International Society of Arboriculture and the National Arborist Association Marker
1 ► Arizona, Yavapai County, Prescott — Bicentennial Tree —
The International Society of Arboriculture and the National Arborist Association jointly recognize this significant tree in this bicentennial year as having lived here during the American Revolutionary Period. 1776 1976. [Added brass . . . — — Map (db m18861) HM
2 ► Kentucky, Fayette County, Lexington — Bicentennial Tree — Largest Basswood Tree in the United States — 1787-1987 —
The National Arborist Association and the International Society of Arboriculture jointly recognize this significant tree in this bicentennial year as having lived here at the time of the signing of our constitution. — — Map (db m152373) HM
3 ► New Jersey, Morris County, Morristown — Constitution Tree —
. . . — — Map (db m36432) HM
4 ► New York, Livingston County, Cuylerville — The International Society of Arboriculture and the National Arborist Association —
Jointly recognize this significant tree in the bicentennial year as having lived here during the American Revolutionary Period. 1776-1976 — — Map (db m58055) HM
5 ► New York, Ontario County, Canandaigua, VA Medical Center — Revolutionary War Tree —
. . . — — Map (db m244076) HM
6 ► Ohio, Preble County, Eaton — The Whispering Oak —
A Witness Nov. 6. 1792 The International Society of Arborculture and the National Arborist Association jointly recognize this significant tree in this bicentennial year as having lived here during the American Revolutionary Period. 1776 - . . . — — Map (db m19161) HM
7 ► Ohio, Sandusky County, Clyde — American Revolutionay War Tree —
The International Society of Arboriculture and the National Arborist Association jointly recognize this significant tree in this bicentennial year as having lived here during the American Revolutionary period 1776-1976 — — Map (db m199810) HM
8 ► Ohio, Wyandot County, Sycamore — Historic Oak in Sycamore, Ohio — 1776 - 1976 — Reported permanently removed
The International Society of Arboriculture and the National Arborist Association jointly recognize this significant tree in this bicentennial year as having lived here during the American Revolutionary period — — Map (db m311279) HM
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9 ► Pennsylvania, Centre County, College Township — American Sycamore — 1787 • 1987 —
. . . — — Map (db m226708) HM
10 ► Pennsylvania, Delaware County, Chadds Ford, Chadds Ford Township — The National Arborist Association —
and the International Society of Arboriculture jointly recognize this significant tree in this bicentennial year as having lived here at the time of the signing of our Constitution. — — Map (db m8280) HM
11 ► Pennsylvania, Philadelphia County, Philadelphia, East Germantown — Revolutionary War Witness Tree —
The International Society of Arboriculture and the National Arborist Association jointly recognize this significant tree in this bicentennial year as having lived here during the American Revolutionary period. 1776 - 1976 — — Map (db m69076) HM
 
 
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Oct. 11, 2026