During a short trip made by the writer in northern Minnesota from Cass Lake to Duluth in Minnesota, St. Croix, Wisconsin, and Taylors Falls, Minnesota, some observations were· made on the introduced plants. The route covered was over the Northern Pacific from Minneapolis to Walker and Cass Lake; from Cass Lake over the Great Northern Railway to Duluth, and via the Northern Pacific to St. Croix Falls, Wisconsin.
Proceedings of the Iowa Academy of Science
©1915 Iowa Academy of Science, Inc.
Pammel, L. H.
"A Comparative Study of the Weeds of Central Iowa, Northern Minnesota and Wisconsin,"
Proceedings of the Iowa Academy of Science, 22(1), 57-59.
Available at: https://scholarworks.uni.edu/pias/vol22/iss1/11