During the summer and fall of 1918 the writer made, under the auspices of the Cereal Investigations of the U. S. Department of Agriculture, a study of the distribution of some of our native grasses and their relation to Puccinia graminis. The region embraced Iowa, western Illinois and Wisconsin, southern and western Minnesota and eastern South Dakota.
Proceedings of the Iowa Academy of Science
©1919 Iowa Academy of Science, Inc.
Pammel, L. H.
"The Relation of Native Grasses to Puccinia graminis in the Region of Iowa, Western Illinois, Wisconsin, Southern Minnesota and Eastern South Dakota,"
Proceedings of the Iowa Academy of Science, 26(1), 163-192.
Available at: https://scholarworks.uni.edu/pias/vol26/iss1/21