Ray Schulenberg and Bob Betz Riding Nesbit Drill (3.100510)
Date: 1980Type: Photographic image
Description:Ray Schulenberg (left) and Bob Betz (right) riding a Nesbit drill while seeding at Fermilab.
The Prairie of the Illinois Country (3.103322)
Date: 2011Creator: Betz, Robert F.
Type: Book
Extent: 269 p.
Events, News, & Classes: Summer 1988 (3.113793)
Date: 1988Type: Serial
Description:A digitized version of the Autumn 1988 Events, News, & Classes Newsletter. This issue features events such as the program "Cry Havoc! Weeds! (Part 2)" and a field trip to Milwaukee's Botanical Gardens. The construction of Crabapple Lake was announced. Margo Brumis and Beth Robinson joined the Arboretum staff. Ray Schulenberg and Robert Betz received United Nations Environmental Program (UNEP) awards.
Prairie Plants of the Chicago Region (3.31509)
Date: 1965Creator: Betz, Robert F.
Type: Book
Description:Contains checklist to help identify prairie plants characteristic of the Chicago region.
Lecture by Ray Schulenberg: The Story of The Morton Arboretum Prairie Restoration (3.31580)
Date: September 11 1987Type: Audio
Description:Lecture titled "The Story of The Morton Arboretum Prairie Restoration" given by Ray Schulenberg as part of the 25th Anniversary Celebration of The Morton Arboretum Prairie.
Extent: 1 audio cassette
The Morton Arboretum Quarterly V. 04 No. 02 (3.34563)
Date: June 21 – September 20 1968Type: Serial
Description:
- Cobblestones and Concrete: the Nob Hill Flora after Seventy Years (17-22)
- The Lookout (22-23)
- Hackberry, Celtis occidentalis: Elm Family (Ulmaceae) (24-25)
- Weeds and Man (26-32)
- Climatological Summary (32)
Extent: 16 pages
Bob Betz leading group tour of Schulenberg Prairie (3.3582)
Date: 1987Creator: Irving, Gary
Type: Photographic image
Description:Bob Betz (far right) leading group tour of Schulenberg Prairie
Charles Lewis and Sherry (Rubino) Lewis at center left
Extent: 1 photograph
Propagation of Rare Plants from Historic Seed Collections--Implications for Rare Species Restoration and Herbarium Management (3.57438)
Date: 1993Creator: Betz, Robert F., DeMauro, Marcella M., Bowles, Marlin L.
Type: Article
Management and Restoration Ecology of the Federal Threatened Mead's Milkweed, Asclepias meadii (Asclepiacaceae) (3.57441)
Date: 1998Creator: McBride, Jenny, Betz, Robert F., Bowles, Marlin L.
Type: Article
Mead’s Milkweed (Asclepias meadii) Recovery Plan (3.57461)
Date: 2003Creator: Bowles, Marlin L., Betz, Robert F.
Type: Article