Photographic image
Abies amabilis (Dougl.) Forbes (Pacific silver fir), forest floor July 1976
Coulter, Ronald M.
Photographic image
Platanus occidentalis (sycamore), trunks, branches, and autumn leavesNovember 1968
Coulter, Ronald M.
Photographic image
Quercus rubra (northern red oak), tree trunk and barkNovember 1968
Coulter, Ronald M.
Photographic image
Abies lasiocarpa (Hook.) Nutt. (subalpine fir), habitatJuly 1977
Coulter, Ronald M.
Map
Woody Plant Collections, The Morton Arboretum [by Ronald M. Coulter and Nancy Hart Stieber]1982
Coulter, Ronald M.
Photographic image
Abies amabilis (Dougl.) Forbes (Pacific silver fir), needlesJuly 1977
Coulter, Ronald M.
Document
The Morton Arboretum Map & General Information, 1972 [guide map and collections grid printed on back]June 1972
Coulter, Ronald M.
Photographic image
Populus deltoides (eastern cottonwood), bare twigs and branchesNovember 1968
Coulter, Ronald M.
Document
Woody Plant Collections, The Morton Arboretum, Map & Guidelines for Locating Plants [1990]1990
The Morton Arboretum
Map
Walking Trails of The Morton Arboretum [base map with trails and landmarks identified]1977
Coulter, Ronald M.
Map
The Morton Arboretum [guide map and collections grid, including notes on flooding]1982
Coulter, Ronald M.
Map
Morton Arboretum, DuPage County, Illinois (topographic survey)circa 1970
Chicago Aerial Survey Co.
Photographic image
Walking Trails of The Morton Arboretum [negative of Visitor Center area]1976
Coulter, Ronald M.
Photographic image
Quercus rubra (northern red oak), tree trunk and barkNovember 1968
Coulter, Ronald M.
Photographic image
Acer circinatum (vine maple), leaves and fruit in summerJuly 7 1976
Coulter, Ronald M.