A floristic study of Cook County, northeastern MinnesotaF. K. Butters, Ernst C. Abbe, Ernest C. Abbe · First published 1953Open the Tome
The genus Poa in Cook County, MinnesotaF. K. Butters, Ernst C. Abbe · First published 1947Open the Tome
A new Oxytrope of the Minnesota-Ontario borderF. K. Butters, Ernst C. Abbe · First published 1943Open the Tome
Inflorescence, floral anatomy and morphology of Leitneria floridanaErnst C. Abbe, Thomas Theron Earle · First published 1940Open the Tome
The American varieties of Rorippa islandicaF. K. Butters, Ernst C. Abbe · First published 1940Open the Tome
Botanical results of the Grenfell-Forbes Northern Labrador expedition, 1931Ernst C. Abbe · First published 1936AdventureOpen the Tome
