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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

Richard Mack -Bromus tectorumMarion Ownbey - Tragopogon

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Specimen-based Research

Richard Mack -Bromus tectorumMarion Ownbey - Tragopogon

Sarah Reichard - Invasive Ornamentals

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Specimen-based Research

Richard Mack -Bromus tectorumMarion Ownbey - Tragopogon

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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#ofSpecime

ns(x1000)

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Collections Growth by Year at WTU 1937-2004

0

500

1000

1500

2000

2500

3000

3500

4000

4500

1937

1940

1943

1946

1949

1952

1955

1958

1961

1964

1967

1970

1973

1976

1979

1982

1985

1988

1991

1994

1997

2000

2003

Year

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Collections Growth by Year at WTU 1937-2004

0

500

1000

1500

2000

2500

3000

3500

4000

4500

1937

1940

1943

1946

1949

1952

1955

1958

1961

1964

1967

1970

1973

1976

1979

1982

1985

1988

1991

1994

1997

2000

2003

Year

Specimens of Introduced Species added to WTU 1937-2004

0

100

200

300

400

500

600

700

1937 1940 1943 1946 1949 1952 1955 1958 1961 1964 1967 1970 1973 1976 1979 1982 1985 1988 1991 1994 1997 2000 2003

Year

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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. ecalcarataxI. capensis) in

Western Washington

Murdannia kiesakalong Columbia River

Geranium lucidumin Clark and Skagit counties

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Murdannia keisak - wartremoving herb

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Impatiens x pacifica(I. ecalcarataxI. 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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