Brigham Young University BYU ScholarsArchive Theses and Dissertations 1969-05-01 A revision of the hedysarum boreale complex Terry Edwin Northstrom Brigham Young University - Provo Follow this and additional works at: https://scholarsarchive.byu.edu/etd BYU ScholarsArchive Citation Northstrom, Terry Edwin, "A revision of the hedysarum boreale complex" (1969). Theses and Dissertations. 8102. https://scholarsarchive.byu.edu/etd/8102 This Thesis is brought to you for free and open access by BYU ScholarsArchive. It has been accepted for inclusion in Theses and Dissertations by an authorized administrator of BYU ScholarsArchive. For more information, please contact
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[email protected]. THE GENUS HEDYSARUM IN NORTH AMERICA A Dissertation Presented to the Department of Botany Brigham Young University In Partial Fulfillment of the Requirement for the Degree Doctor of Philosophy by Terry Edwin Northstrom August 1974 This dissertation by Terry Edwin Northstrom, is accepted in its present form by the Department of Botany of Brigham Young University as satisfying the disserta- tion requirement for the degree of Doctor of Philosophy. August 16, 1974 Date ii ACKNOWLEDGEMENTS My cordial appreciation is expressed to Dr. Stanley L. Welsh, Brigham Young University, under whose supervision this study was carried out. Special thanks are given to Mrs. Kay Thorne for her help in preparing the illustration, Jim Allen for his help with the scanning electron microscopy and to the curators of the following herbaria who generously