Browsing by people, organizations and landmarks: year:
Document
Morton Arboretum Prairie Restoration Project: 1960-1980, Raymond F. Schulenberg 1980s
Schulenberg, Ray
Article
Woody Plant Collections at the Morton Arboretum: A Historical PerspectiveDecember 21 1980 – March 20 1981
Schulenberg, Ray
Article
Woody Plant Collections at the Morton Arboretum: Content and ArrangementDecember 21 1981 – March 20 1982
Schulenberg, Ray
Photographic image
Pinus edulis (Pinyon Pine), Ray Schulenberg collecting cones, habit, fallSeptember 16 1981
Hedborn Jr., Edward A.