Serial
Branches: Newsletter of the Volunteers of the Morton Arboretum, Winter 19911991
Stowell, Gladys
Article
A Tree by Any Other Name…(Or: What is Behind Name Changes?)March 21 – June 20 1975
Hess, William J.
Article
Orphans in the Plant World: Examples of Monotypic FamiliesJune 21 – September 20 1978
Swink, Floyd, Hall, Marion Trufant, Hess, William J.
Article
Ernest J. Palmer – The Morton Arboretum ConnectionDecember 21 1987 – March 20 1988
Hess, William J.
Article
The Scanning Electron Microscope at Work Documenting the Parentage of the ‘Marmo’ mapleMarch 21 – June 20 1990
Crowley Jr., Webster R., Hess, William J.
Article
Kissing Cousins: Sumacs and MaplesJune 21 – September 20 1992
Winter, Kendall, Crowley Jr., Webster R., Hess, William J.
Photographic image
Clarence E. Godshalk's 90th birthday celebration scrapbook: guests listening to speakerJanuary 14 1987
Kohout, John
Photographic image
Arbor Day activities at The Morton Arboretum, Dr. Hess speaking to woman at Be a Botanist stationApril 1995
Photographic image
Green Nature, Human Nature book signing in Sterling Morton Library, Charles Lewis greeting Peter Wang in May T. Watts Reading GardenMay – June 1996