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

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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

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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

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The University of Washington Herbarium

• Founded in 1882 - now part of Burke Museum
• Largest in Pacific Northwest

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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)

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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

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

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of Specimens (x 1000)
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Spartina alterniflora - smooth cordgrass
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Polygonum cuspidatum - Japanese knotweed
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Buddleja davidii - butterfly bush
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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

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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

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Murdannia keisak - wartremoving herb
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Impatiens x pacifica (I. ecalcarata x I.
capensis) - jewelweed
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Geranium lucidum - shining geranium
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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

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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

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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

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Photo Acknowledgements

• Ben Legler
• Fred Weinmann
• Arne Andenberg

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