> [!cite] BHL link: this entry starts at [page 407](https://www.biodiversitylibrary.org/page/33266084) of TL-2 Suppl. IV > Author links: [Wikidata](https://www.wikidata.org/wiki/Q123681923) QID Q123681923 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Cotter, Ralph Ulysses (1896-1964), American plant pathologist at U.S. Dept. Agriculture, University farm, St. Paul 1, Minn., born 18 Sep 1896 at Lehi, Utah, B.S. Utah College 1918, M.S.Minnesota 1924, Ph.D. (plant pathology) 1929, associate pathologist 1930-1935, bureau entom. plant quarantine 1935-1940, pathologist 1940-x, Agr. Research serv. 1953-x. **Abbreviated name**: *R.U. Cotter* #### Herbarium and types Unknown. #### Bibliography and biography Barnhart 1: 385 (b. 18 Sep 1896, Lehi, Utah); LS suppl. 5731. #### Biofile - Anon., Amer. men sci. ed. 9. 2: 228. 1955, ed. 11: 1005. 1965 (d. 1964). ### Publications ##### n.27.832. Physiologic specialization in Puccinia graminis **Title** *Physiologic specialization in Puccinia graminis* secalis... \[Washington\] (U.S. Government Printing Office) 1932. Oct. **Notes** *Co-author*: Moses N. Levine. *Publ*.: 1 Sep 1932 (date on t.p. = \[i\]), p. \[i-ii\], 297-325. *Copy*: L. – Reprinted and to be cited from J. agric. Research 45(5): 297-315. 1932. *See also*: *Factors affecting the development of the aecidial stage of Puccinia graminis Pers*, Phytopathology 20(1): 139. 1930. – LS suppl. 5731.