Institution: | 1. Botanical Museum, Harvard University, Cambridge, Massachusetts 2. University of Arkansas, Fayetteville, Arkansas 3. University of Southwestern Louisiana, Lafayette, Louisiana 4. Florida State University, Tallahassee, Florida 5. University of Oklahoma, Norman, Oklahoma 6. Canada Department of Forestry, Calgary, Alberta 7. New York Botanical Garden, Bronx, New York 8. Roosevelt University, Chicago, Illinois 9. New York State Museum, Albany, New York 10. Texas A & M University, College Station, Texas 11. Texas Research Foundation, Renner, Texas 12. University of Arizona, Tucson, Arizona 13. University of California, Los Angeles, California 14. University of Colorado, Boulder, Colorado 15. Research Institute for Advanced Studies, Baltimore, Maryland 16. University of Florida, Gainesville, Florida 17. S. B. Penick & Company, New York, New York 18. University of Minnesota, St. Paul, Minnesota 19. Cold Regions Research and Engieering Laboratory, Hanover, New Hampshire 20. Smithsonian Institution, Washington, D. C. 21. Provincial Museum Victoria, British Columbia, Canada 22. University of Pennsylvania, Philadelphia, Pennsylvania 23. Arnold Arboretum, Cambridge, Massachusetts 24. Utah State University, Logan, Utah
|