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Herbarium Collections and Invasive Species Biology: Understanding the Past, Present, and Future

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. Talk Outline . UW Herbarium Herbaria and Invasive Plant Research

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Herbarium Collections and Invasive Species Biology: Understanding the Past, Present, and Future

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  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

  4. 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)

  5. 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

  6. Specimen-based Research Marion Ownbey - Tragopogon

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

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

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

  10. 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

  11. # of Specimens (x 1000)

  12. Spartina alterniflora - smooth cordgrass

  13. Polygonum cuspidatum - Japanese knotweed

  14. Buddleja davidii - butterfly bush

  15. 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. 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

  17. Murdannia keisak - wartremoving herb

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

  19. Geranium lucidum - shining geranium

  20. 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

  21. 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

  22. Conclusions and Future Needs • 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

  23. Photo Acknowledgements • Ben Legler • Fred Weinmann • Arne Andenberg

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