Audio
Lecture by Ray Schulenberg: The Story of The Morton Arboretum Prairie RestorationSeptember 11 1987
Article
Propagation of Rare Plants from Historic Seed Collections--Implications for Rare Species Restoration and Herbarium Management1993
Betz, Robert F., DeMauro, Marcella M., Bowles, Marlin L.
Article
Management and Restoration Ecology of the Federal Threatened Mead's Milkweed, Asclepias meadii (Asclepiacaceae)1998
McBride, Jenny, Betz, Robert F., Bowles, Marlin L.