circa 1960 – 1979
Helmick, William K.
1930s
1942
Arden, Richard J.
1920s
Teuscher, Henry
2000
Hart, Nancy
20th century
Watts, May Theilgaard
1940s
1810
Bessa, Pancrace, 1772-approximately 1835.
Garrard, Ian.
January 25 1978
1930 – 1949
circa 1920
1941
1969
Tyznik, Anthony
1982 – 1986
April 25 2014
The Morton Arboretum
1923
1926
July 22 2015
Brown, Deborah J.G.