[015-19] The European Starling in Illinois
The European Starling in Illinois Author: Smith Frank
[015-18] The Introduced Weed Flora of Illinois
The Introduced Weed Flora of Illinois Author: Darlington, Henry T.
[015-17] Contribution to the Flora of Cass County, Illinois
Contribution to the Flora of Cass County, Illinois Author: Gates, Frank C.
[015-16] The Habitat of Naturalized Common Barberry in Illinois
The Habitat of Naturalized Common Barberry in Illinois Author: Tehon, Leo R.
[015-15] The Illinois Plant Disease Survey
The Illinois Plant Disease Survey Author: Tehon, Leo R.
[015-14] Notes on New Diseases of Economic Crops in Illinois. 1919-1921.
Notes on New Diseases of Economic Crops in Illinois. 1919-1921. Author: Anderson, H.W.