A Revision of the Section Bobaphila, Engler, of the Genus Saxifraga

Johnson, Arthur Monrad2016-05-042016-05-041919https://hdl.handle.net/11299/180079University of Minnesota Ph.D. dissertation. 1919. 1 computer file (PDF): approximately 191 pages.enA Revision of the Section Bobaphila, Engler, of the Genus SaxifragaThesis or Dissertation