Tree disease specimens sent to Iowa State College for identification, during the past two years, have yielded what is believed to be two new rust records for Iowa. Because of this, and the fact that under certain conditions these diseases could become important, a few comments on these collections are presented.
Proceedings of the Iowa Academy of Science
©1957 Iowa Academy of Science, Inc.
McNabb, Harold S. Jr. and Shurtleff, Malcolm C. Jr.
"Notes on Stem Rusts of Hard Pines in Iowa,"
Proceedings of the Iowa Academy of Science, 64(1), 187-188.
Available at: https://scholarworks.uni.edu/pias/vol64/iss1/22