1. Herbarium Collections and Invasive Species Biology: Understanding the Past, Present, and Future David Giblin, Ph.D. Ben Legler Richard G. Olmstead, Ph.D. University of Washington Herbarium - Burke Museum

2. Talk Outline UW Herbarium Herbaria and Invasive Plant Research Inadequate Invasive Plant Collections Recent Invasives Data from WTU Digital Resources at WTU Conclusions and Future Needs

3. The University of Washington Herbarium Founded in 1882 - now part of Burke Museum Largest in Pacific Northwest

5. The University of Washington Herbarium Founded in 1882 - now part of Burke Museum Largest in Pacific Northwest ~600,000 specimens –vascular plants (380,000) –bryophytes (120,000) –fungi (50,000) –lichens (22,000) –marine algae (25,000)

9. Talk Outline UW Herbarium Herbaria and Invasive Plant Research Inadequate Invasive Plant Collections Recent Invasives Data from WTU Digital Resources at WTU Conclusions and Future Needs

10. Specimen-based Research Marion Ownbey - Tragopogon

11. Specimen-based Research Richard Mack - Bromus tectorum Marion Ownbey - Tragopogon

12. Specimen-based Research Richard Mack - Bromus tectorum Marion Ownbey - Tragopogon Sarah Reichard - Invasive Ornamentals

13. Specimen-based Research Richard Mack - Bromus tectorum Marion Ownbey - Tragopogon Sarah Reichard - Invasive OrnamentalsPeter Zika - Native/Exotic congeneric hybridization

14. Talk Outline UW Herbarium Herbaria and Invasive Plant Research Inadequate Invasive Plant Collections Recent Invasives Data from WTU Digital Resources at WTU Conclusions and Future Needs

16. # of Specimens (x 1000)

19. Spartina alterniflora - smooth cordgrass

20. Polygonum cuspidatum - Japanese knotweed

21. Buddleja davidii - butterfly bush

22. Talk Outline UW Herbarium Herbaria and Invasive Plant Research Inadequate Invasive Plant Collections Recent Invasives Data from WTU Digital Resources at WTU Conclusions and Future Needs

23. Recent Findings Impatiens x pacifica (I. ecalcarata x I. capensis) in Western Washington Murdannia kiesak along Columbia River Geranium lucidum in Clark and Skagit counties

24. Murdannia keisak - wartremoving herb

25. Impatiens x pacifica (I. ecalcarata x I. capensis) - jewelweed

26. Geranium lucidum - shining geranium

27. Talk Outline UW Herbarium Herbaria and Invasive Plant Research Inadequate Invasive Plant Collections Recent Invasives Data from WTU Digital Resources at WTU Conclusions and Future Needs

32. Talk Outline UW Herbarium Herbaria and Invasive Plant Research Inadequate Invasive Plant Collections Recent Invasives Data from WTU Digital Resources at WTU Conclusions and Future Needs

33. Herbarium records invaluable Increase effort to collect invasives Deposit duplicates at regionally significant herbaria Increase funding for databasing invasives specimens Exploit emerging technologies for data sharing

34. Photo Acknowledgements Ben Legler Fred Weinmann Arne Andenberg