1888. Twenty-two common insects of Nebraska. Bulletin of the Agricultural Experiment Station of Nebraska. Ed. Univ. Nebraska. 101 pp.
1899. Minnesota plant life. Geological and natural history survey. Report of the survey. Botanical series. xxv, 566 pp. ilus. 4 planchas
1890. Some considerations on the alternation of generations in plants: Delivered before the Botanical seminar of the University of Nebraska, 1896. Ed. The Seminar. 41 pp.
1892. The Metaspermae of the Minnesota Valley. A List of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River. 826 pp. Reimprimió Kessinger Publ. LLC, 2010. 220 pp. ISBN 1120962439
1894. Minnesota Botanical Studies. Ed. Minneapolis: Harrison & Smith, State Printers. Vols. 1, 2, 3. 1.081 pp.
1898. The orientation of the plant egg and its ecological significance. Ed. University of Chicago Press. 23 pp.
1901. Some considerations on the nature, organization and work of the modern botanical institute. Ed. The Pioneer Press. 27 pp.