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Late Pleistocene pollen sequence from Hager Pond, Bonner Co., Idaho.
American Association of Stratigraphic Palynologists Annual Meeting.
Houston, TX (October, 1975).
Late Quaternary pollen records from northeastern Washington
and adjacent Idaho. In symposium: "Terrestrial and Aquatic
Ecological Studies of the Northwest." Northwest Scientific
Association Annual Meeting. Cheney, WA (March, 1976).
Interference among sand dune annuals: spatial pattern
and neighborhood effects. Ecological Society of America Annual
Meeting. New Orleans, LA (June, 1976).
Co-organizer and presider at symposium--Plant
populations: Evolutionary and demographic approaches.
Ecological Society of America Annual Meeting. East Lansing, MI
(August, 1977).Interference in Bromus
tectorum: an anlaysis of individual plant
responses. In symposium--Plant populations: Evolutionary and
demographic approaches. Ecological Society of America Annual
Meeting. East Lansing, MI (August, 1977).
Late Quaternary vegetation history of northeastern
Washington and northern Idaho. Ecological Society of America Annual
Meeting. Athens, GA (August, 1978).
Recruitment, survivorship and fecundity of Bromus tectorum L. in
eastern Washington, USA. International Botanical Congress.
Sydney, Australia (August, 1981).
Effects of Mount St. Helens ashfall in steppe environments
of eastern Washington. In Ecological Society of America
Symposium: Biological effects of Mount St. Helens eruption.
AAAS Pacific Division meeting. Eugene, OR (June, 1981).
The demography of Bromus
tectorum: Variation in time and space. In
symposium: "Long-lived herbs: population dynamics and
species interaction." Ecological Society of America, Annual
Meeting. College Park, PA (August, 1982).
The effect of the Mount St. Helens ashfall on the
xerophytic vegetation of eastern Washington. In symposium:
"Mount St. Helens ecological research on the effects of catastrophic
vulcanism and subsequent ecosystem recovery." Ecological Society
of America Annual Meeting. Grand Forks, ND (August, 1983).
Alteration of seed removal in steppe communities since
deposition of volcanic ash from the May 1980 eruption of Mount St. Helens,
Washington (USA). Poster presentation. Third European
Ecological Symposium. University of Lund, Lund, Sweden (August,
1983).
Alteration of seed removal in steppe communities since
deposition of volcanic ash from the May 1980 eruption of Mount St. Helens,
Washington. Poster presentation. Ecological Society of America
Annual Meeting, Fort Collins, CO (August, 1984).
Alien plant invasion into the Intermountain West: A case
history. In symposium: Ecology of Biological Invasions in North
America and Hawaii. Sponsored by the International Council of
Scientific Unions. Asilomar, CA (October, 1984).
Evaluating factors that affect the rate of
migrations. In symposium entitled: "Vegetation Response to
Temporal Climatic Change." Ecological Society of America Annual
Meeting. Minneapolis, MN (June, 1985).
U.S. National Park Service. Sixth Hawaii Volcanoes
National Park Natural Sciences Conference. Contributor to symposium
entitled: "Control of Introduced Plants in Hawaii's Native
Ecosystems." Hilo, HI (June, 1986).
Ecological genetics of Bromus
tectorum (Poaceae): Ecotypic variation in plant size
hierarchies and phenology (co-authored with Kevin Rice). Ecological
Society of America Annual Meeting. Syracuse, NY (August, 1986).
Plant invasions in temperate grasslands. SCOPE
project on the ecology of biological invasions. International
Synthesis Meeting. Honolulu, HI (November, 1986).
Ecological genetics of the alien Bromus tectorum in
western North America. Invited contributor to a symposium,
“Population Genetics and Population Biology.” XIV International
Congress. Berlin, Germany (July, 1987).
Participant and invited speaker, "Workshop on
Regulatory Considerations for the testing and use of genetically-engineered
plants." Boyce Thompson Institute for Plant Research at Cornell
University. Ithaca, NY (October, 1987).
"Invasive plant species" in: International
Conference on Risk Assessment in Agricultural Biotechnology.
University of California. Davis, CA (July, 1988).
Contributions of phenotypic plasticity and
micro-differentiation to the spread of Bromus
tectorum. Contributor to symposium entitled, "New directions
in the assessment of biological invasions." (I also co-organized
and presided at this symposium.) Ecological Society of America
National Meeting. Davis, CA (August, 1988).
Committee chair and speaker. "Environmental
issues" in USDA, EPA, FDA, sponsored Transgenic Plant
Conference. Annapolis, MD (September, 1988).
Post-settlement vegetation changes in the interior Pacific
Northwest. Symposium in honor of Henry P. Hansen, Quarternary
Research Center, University of Washington. Seattle, WA (May,
1989).
Genetic variation and population differentiation in the
recently introduced vine Bryonia
alba L. (co-authored with Stephen J. Novak). Ecological
Society of America Annual Meeting. Snowbird, UT (August, 1990).
Invited keynote speaker. U. S. National Park Service
Annual Western Regional Meeting. Volcano, HI (February, 1991).
Environmentally dependent correlations among physiological,
morphological and reproductive characters in an alien grass in Hawaii
(co-authored with David G. Williams and R. A. Black). Ecological
Society of America Annual Meeting. San Antonio, TX (August, 1991).
Photosynthesis in a closed canopy and an open field for
introduced and native species of Lonicera
(co-authored with Kristina A. Schierenbeck and Rebecca R. Sharitz).
Ecological Society of America Annual Meeting. San Antonio, TX (August,
1991).
Invited symposium speaker. "What makes a community
vulnerable to the entry of alien plants?" in “Biological
Pollution: The control and impact of invasive exotic species.” Indiana
Academy of Sciences symposium. Indianapolis, IN (October 25-26,
1991).
Genetic variation in Bromus
tectorum in Europe: using electrophoresis to search for
the source(s) of its introduced populations in North America (co-authored
with Stephen J. Novak). Botanical Society of America Annual
Meeting. Honolulu, HI (August, 1992). (I co-chaired the section
in which this paper was presented.)
Plasticity of growth and photosynthetic characters in the
introduced C4 Pennisetum
setaceum from different elevations in Hawaii (co-authored with
David G. Williams and R. A. Black). Ecological Society of America
Annual Meeting. Honolulu, HI (August, 1992).
Differential effects of herbivory on relative growth rates
and root:shoot allocation between native and introduced species of Lonicera (co-authored
with K. Schierenbeck and R. R. Sharitz). Ecological Society of
America Annual Meeting. Honolulu, HI (August, 1992).
Invited speaker. International Consultation on Rice
Bio-safety in South-East Asia (sponsored by USDA, Rockefeller Foundation
and UNESCO). Chol buri, Thailand (September, 1992).
Invited speaker. Plant Introductions in Iceland
(sponsored by Icelandic Agricultural Research Institute). Reykjavik,
Iceland (March, 1994).
Invited speaker. Invasion Biology Workshop.
University of California, Davis (May, 1994).
Invited speaker. Global change predicted; global
change realized (in NATO Advanced Research Workshop, “Past and Future Rapid
Environmental Change”). Crieff, Great Britain (June, 1995).
Ecophysiology of Bryonia
alba: measurements under field conditions (co-authored
with C. McClung & R. A. Black). Ecological Society of American
Annual Meeting. Snowbird, UT (August, 1995).
Invited speaker. Understanding the processes of weed
invasions: the role of environmental stochasticity. British Crop
Protection Council, pre-conference weed symposium. Brighton, Great
Britain (November, 1995).
Invited speaker and session chair. Biotic barriers to plant
naturalization. IX International Symposium on Biological Control of
Weeds. Stellenbosch, South Africa (January, 1996).
Genetic variation and colonization dynamics of Bromus tectorum
(Poaceae): a global perspective. (Co-authored with J. M. Kevin
and S. J. Novak.) American Institute of Biological Sciences annual
meeting. Seattle, WA (August, 1996).
Invited speaker. Plant invasions on the Columbia
Plateau. IAI-AMIGO Workshop on Invaders-Fragmentation-Fire.
Silver Falls State Park, OR (September, 1996).
Invited speaker. Plant dispersal and migration in
response to climatic change. Institute of Advanced Studies,
Australian National University. Batemans Bay, N.S.W., Australia
(October, 1996).
Invited speaker (and Symposium Co-Chair). A
demographic explanation for plant naturalization: the role of cultivation
in ameloriating environmental stochasticity in symposium, “Recent attempts
to predict the character of plant invaders and the communities they
invade.” Ecological Society of America Annual Meeting, Albuquerque,
NM (August, 1997).
Participant, DIVERSITAS meeting. Universidad Nacional
Autonoma de Mexico, Mexico City, Mexico (March, 1998).
Invited speaker. Assessing the extent, status and
dynamism of plant invasions within global change scenario(s): current and
emerging approaches. SCOPE meeting, Stanford University, Stanford, CA
(April, 1998).
Symposium organizer, speaker, and summary panelist.
An experimental investigation of plant naturalization: the role of
cultivation in ameliorating environmental stochasticity in symposium
“Biotic Invasions: a Global Perspective.” VII International
Congress of Ecology, Florence, Italy (July, 1998).
Invited speaker and session chair. Databases useful
in assessing plant invasions. Introduced Species Workshop.
University of Tennessee, Knoxville, TN (October, 1998).
Invited speaker. Invasive Weeds Workshop.
Landcare Research, Crown Research Institute, Hamilton, New Zealand (May,
1999).
Invited speaker in symposium, “People and plant invasions
in rangelands.” International Rangeland Congress, Townsville,
Australia (July, 1999).
Invited speaker. “Global plant dispersal: pathways, modes
and circumstances” in meeting “Invasion Pathways: analysis of invasion
patterns and pathway management.” (GISP meeting), Annapolis,
MD (November, 1999).
Invited Keynote Address, “Controlling invasive plants: win
(a few), lose (many), draw (a few more).” Florida Exotic Pest Plant
Council, Fifteenth Annual Conference. Key Largo, FL (May, 2000).
Invited symposium keynote speaker, “Modes of movement of invasive plants.”
Third International Weed Science Congress (IWSC), Foz Do Iguassu, Brazil.
(June, 2000).
“Naturalized floras are largely the products of deliberate
introductions: assessment of temperate and subtropical floras.”
(co-authored with Marianne Erneberg.) Ecological Society of America,
Annual Meeting, Snowbird, UT (August, 2000).
“Comparative ecological genetics of European and North
American populations of Bromus
tectorum.” (co-authored with Kinter, C. Lynn) Ecological
Society of America, Annual Meeting, Snowbird, UT, August, 2000.
Invited speaker. “Assessing global biotic invasions in time
and space: the second imperative” Global Invasive Species Initiative
Program, synthesis meeting, Cape Town, South Africa. (September, 2000).
Invited speaker. “Is there a scientific basis for determining
which future immigrant species will become threats to plants?” Ecological
Risk Assessment Symposium. CSIRO-Entomology. Canberra, Australia. (October,
2000).
Invited speaker. “Controlling invasive plants: win (a few),
lose (many), draw (a few more).” South Australia Weed Science Society
General Meeting, Adelaide, Australia. (October, 2000).
“Controlling invasive plants: hard-won lessons from
continents and islands” (with W.M. Lonsdale). Eradication of Island Invasives
Conference. Auckland, New Zealand. (February, 2001).
Invited symposium speaker. "Predicting communities
vulnerable to plant invasions" in: Current status of knowledge on
Invasive species: theory and practice”, Annual meeting, Ecological Society
of America, Madison, WI. (August, 2001).
Invited symposium speaker. “Rise of the naturalized flora
of the U.S.: 1660-1860” In “Biological Invasions.” 48th annual Systematics
Symposium, Missouri Botanical Garden. St. Louis, MO. (October, 2001).
Invited symposium speaker. “An international assessment of
the extent and impact of invasive species” In “Biodiversity Science and
Global Research: The International Biodiversity Observation Year” AAAS
Annual Meeting, Boston, MA (February, 2002).
Invited symposium speaker. “Native environments and exotic
species: an ecological perspective” In “Restoration ecology and native
environments: challenging realities provoke changing perspectives” AAAS
Annual Meeting, Boston, MA (February, 2002).
Invited symposium speaker. Invasive species as threats to
U.S. agriculture and biodiversity. In “Science and Conservation Colloquium:
Farm bill opportunities and challenges.” National Research Council,
Washington, DC (April 2002).
Keynote speaker. Causes and consequences of plant
invasions. In: Weeds Across Borders. North American weed issues in
transportation corridors and the lands they run through”. Federal
Highway Administration conference, Tucson, AZ (May, 2002).
“Pest attacks in botanic gardens: a potential early warning
system for invasive plant pests” In: “Science for Plant Conservation: An
International Conference for Botanic Gardens”, Botanic Gardens Conservation
International. Trinity College, Dublin, Ireland (July, 2002).
“Yunnan: a recipient and potential source of invasive plant
species” Annual Meeting, Ecological Society of America, Tucson, AZ.
(August, 2002). (with Sun Wei-bang).
Invited program speaker. “The global context: the
Convention on Biological Diversity and the Global Invasive Species
Programme.” In: Exotic Species Invasions and Sustained Development.
Porto Alegre and Ponta Grossa, Brazil (August, 2002).
Invited program speaker. “Economic Impacts of Invasive
Alien Species and the Prevention of Invasions.” In: Exotic Species
Invasions and Sustained Development. Porto Alegre and Ponta Grossa,
Brazil (August, 2002).
Invited program speaker. “Phylogenetic constraints, absent
life forms and pre-adapted alien plants: a prescription for biological
invasion.” In: Biological Invasions in Terrestrial Ecosystems: an
evolutionary perspective. European Science Foundation event. Halle,
Germany (September, 2002).
Invited workshop speaker. “Overview of the Global Invasive
Species Programme.” In: The Prevention and management of Invasive alien
species: forging cooperation throughout the Austral Pacific Region. Honolulu,
HI. (October, 2002).
Invited symposium speaker. “Predicting the identity of
future invasive species: hard-won progress: Symposium on plant molecular
biology and biodiversity. Institute of Botany, Academia Sinica. Taipei,
Taiwan. (November, 2002).
Invited Keynote speaker. I Congreso Nacional Sobre
Sspecies Exóticas Invasoras, EEI 2002. Leon, Spain (June 2003).
Invited symposium speaker. “Biological invasions,
stochastic events and global change: an uncertain world becomes more
uncertain" In symposium, "Biological Invasions in a Time of
Global Change" Annual meeting, Ecological Society of America,
Savannah, GA. (August 2003).
Keynote Banquet Speaker. “Trouble in Shangri-la: Looming
Plant Invasions in Yunnan Province, China” New England Invasive Plant
Summit. Framingham, MA. (September 2003).
Invited Plenary speaker, “Prevention, interception,
and eradication of invasive alien plants: Future prospects” 7th
International Conference on the ecology and management of alien invasive
plants. Ft. Lauderdale, FL (November, 2003).
Invited symposium speaker, “Human perceptions of
useful plants strongly affect the establishment and spread of alien
species.” 7th International Conference on the ecology and management of
alien invasive plants. Ft. Lauderdale, FL (November, 2003).
Invited plenary speaker. "A prescription for plant
invasions: the interaction of attributes, environment and circumstances.”
American Institute of Biological Sciences. Annual meeting. WA, DC (March
2004).
Invited symposium keynote speaker. “Does inter-regional
floristic relatedness foster plant invasion: exchanges between eastern Asia
and North America” Beijing International Symposium on Biological
Invasion. Species Exchanges between Eastern Asia and North America:
Threats to Environment and Economy. Beijing, China (June 2004).
Invited meeting speaker. “GISP: the Global Invasive Species
Program” The 2nd Weeds Across Borders meeting. Minneapolis, MN (June 2004).
Invited symposium speaker. “Predicting the identity of
plant invaders: future contributions from horticulture.” Annual meeting,
American Society for Horticultural Science. Austin, TX (July 2004).
Invited speaker and symposium co-organizer. “Potential
plant invasions between eastern Asia and North America: why should we be
concerned?” in symposium "Biological invasions: Species exchanges
between eastern Asia and North America." Annual meeting, Ecological
Society of America, Portland, OR. (August 2004).
Invited plenary speaker (two plenary talks). “Trade Routes
for Commerce in Plants or Pathways for Invasive Species? The Dualism
of International Commerce.” and “Eradication or Control? Combating plants
through a lump sum payment or on the installment plan.” 14th Australian
Weeds Conference. Wagga Wagga, Australia (September 2004).
Invited symposium speaker. “Does inter-regional floristic
relatedness foster plant invasion: exchanges between eastern Asia and North
America.” 2004 Janet Meakin Poor Research Symposium: Conservation and
Restoration of Plant Communities. Chicago, IL (October 2004).
Invited workshop speaker. “Global plant dispersal: modes,
pathways and circumstances” Prevention and Management of Invasive Alien
Species (IAS) in China. Chinese Academy of Agricultural Sciences. Beijing,
China (November 2004).
Invited symposium speaker "Can science predict the
next kudzu?" 19th Annual Lahr Symposium, U.S. National Arboretum,
Washington, DC (March 2005).
Invited keynote speaker. “The fate of Chinese understory
species in coniferous forests of the Pacific Northwest: the consequences of
species exchanges.” Mountain Invasions Research Network workshop.
Vienna, Austria (July 2005).
Invited symposium keynote speaker. “The invasion of Bromus tectorum in
North America: The role of pre-immigration evolution.” International
Botanical Congress. Vienna, Austria. (July 2005).
Speaker and symposium co-organizer. “Invasive plants as
missing life forms: new perspective on the Vacant Niche Hypothesis.” In
symposium “Prediction and Prioritization of Future Invasive Species” Annual
Meeting, Ecological Society of America, Montreal, Canada (August 2005).
Invited workshop speaker. “Quantifying the impact of
invasive alien species at multiple spatial scales: the case for Bromus tectorum” in workshop
“Quantifying the Impacts of Invasive Species.” ESA “Ecology in an Era of
Globalization Conference”, Merida, Mexico (January 2006).
Invited Public Lecture. "Addressing the Threat of
Invasive Alien Plants: a Blueprint for
National Action" Idaho Academy of Sciences Annual Meeting.
Moscow, ID (March 2006).
Invited speaker. “National status of invasive plants in the
United States.” Weeds Across Borders, 2006. U.S. Department of
Transportation. Hermosilla, Mexico (May 2006).
Invited speaker. “Sources of future invasive species: the
contribution from horticulture” Invasive Plants: Practical Problems and
Research Opportunities Workshop, Indiana University, Bloomington, IN
(April, 2006).
Invited Plenary Session speaker. “Causes and (some)
consequences of biological invasions.” In plenary session “Nematodes as
Invasive Species.” 45TH Annual Meeting of the Society of Nematologists,
Kauai, HI (June 2006)
Invited speaker, “Eradication or Control? Combating plants
through a lump sum payment or on the installment plan.” Indo-U.S. Science
& Technology Forum workshop, “Indo-U.S. workshop on invasive plants in
Indian Protected Areas”, Corbett National Park, India, November 2006.
Keynote speaker, "Biological invasions:
Recommendations for U.S. policy and management." International
Workshop on the Biological Control of Invasive Species of Forests, Beijing,
P. R. China, September 2007.
Invited speaker and session moderator, "Eradication of
invasive species is both possible and necessary: case studies.”
International Workshop on the Biological Control of Invasive Species of
Forests, Beijing, P. R. China, September 2007.
Invited symposium speaker, “Arundo donax: a case study of a feedstock
crop with invasive potential" In symposium "Invasive species and
the new bioeconomy" WSSA annual meeting, Chicago, IL, Feb. 2008.
Invited panelist, "The Ecological Society of America:
effectively communicating consensus science." Non-Governmental Organization
(NGO) Roundtable at NIWAW9, Washington, DC, February, 2008.
Invited session keynote speaker. "Plant invasions in
western North America: implications for temperate grasslands worldwide" In:
Grasslands/Rangelands Production Systems, session 8. International Grassland Congress, Hohhot,
China, July 2008.
Invited plenary speaker. "Predicting biological invasions under
global climatic change: complexity²" Natural Areas Association Conference,
Nashville, TN, October 2008.
Invited keynote speaker, "Calling all economists: ED/RR needs your
help!" USDA Economic Research Service PREISM Workshop. Washington, DC, October 2008.
Invited speaker, "Prevention, Interception, and Eradication of
Invasive Alien Plants: Future Prospects." and "Early Detection and Rapid Response
(ED/RR) for invasive species." International Workshop and Training Course on
Invasive Species. Wuhan, China, October 2008.
Invited plenary speaker, "Eradication/control of invasive
species in arid ecosystems: the need for sound science, effective policies and an
engaged public". In: Wildfires and Invasive Plants in American Dessert Symposium,
Society for Range Management, Reno, NV, December 2008.
Invited Seminars
University of Houston, Department of Biological Sciences
(autumn, 1975)
University of Washington, Department of Botany (winter, 1976)
University of Idaho, Department of Biology (spring, 1976)
University of Texas, Department of Botany (spring, 1978)
University of Alberta, Department of Botany, Edmonton, Alberta (autumn,
1979)
University of British Columbia, Department of Botany, Vancouver, B.C.
(spring, 1980)
University of Washington, Quaternary Research Center (spring, 1981)
Utah State University, College of Natural Resources (December 1981)
Oklahoma State University, Departments of Botany & Zoology (April 1982)
University of Washington, Department of Botany (spring, 1982)
University College of North Wales, School of Plant Biology, U.K. (October,
1983)
University of Cambridge, The Botany School, U.K. (November, 1983)
University of East Anglia, School of Biological Sciences, U.K. (November,
1983)
University of London, School of Biological Sciences, Queen Mary College,
U.K. (November, 1983)
University of Liverpool, Department of Botany, U.K. (December, 1983)
University of California (Davis), Department of Agronomy & Range
Science (May, 1984)
University of Minnesota, Department of Ecology & Behavioral Biology
(October, 1984)
University of California (Berkeley), College of Forestry (October, 1984)
University of Idaho, Department of Biology (December, 1984)
Oregon State University, Department of Botany & Plant Pathology (March,
1985)
Rice University, Department of Biology (April, 1985)
Harvard University, Department of Organismic & Evolutionary Biology
(April, 1985)
University of Colorado, Department of Environmental, Populational, and
Organismic Biology (September, 1985)
Rutgers University (Piscataway), Department of Biological Sciences (October,
1985)
Idaho State University, Department of Biology (November, 1985)
Imperial College (Silwood Park), Department of Pure & Applied Biology,
U.K. (February, 1986)
University of Georgia, Savannah River Ecology Laboratory (April, 1986)
Texas A & M University, Department of Range Science (March, 1987)
University of Washington, Department of Botany (November, 1987)
University of California (Davis), Institute of Ecology (April, 1988)
University of Saskatchewan, Department of Crop Science & Plant Ecology
(April, 1989)
University of Hawaii, Department of Botany (May, 1989)
Colorado State University, Department of Biology (November, 1990)
University of Washington, Department of Urban Horticulture (November, 1991)
Biological Society of Iceland, Reykjavik, Iceland, (March, 1994)
Harvard University, Department of Organismic & Evolutionary Biology
(April, 1995)
Tropical Weeds Research Center, CSIRO, Charters Towers, Queensland,
Australia (October, 1996)
University of Illinois, Department of Ecology, Ethology & Evolution
(April, 1997)
Stanford University, Department of Biology (April, 1997)
CSIRO, Division of Entomology, European Laboratory, Montferrier sur Lez,
France (May, 1997)
Washington State University (Vancouver) (February, 1998)
University of Minnesota, Department of Ecology, Evolution and Behavior
(March, 1998)
University of Arizona, School of Renewable Natural Resources and Department
of Plant Pathology (February, 1999)
Boise State University, Department of Biology (March, 1999)
University of Otago, Department of Botany, Dunedin, New Zealand (May, 1999)
Landcare Research (CRI), Lincoln, New Zealand (May, 1999)
University of Auckland, Department of Environmental & Marine Sciences,
Auckland, New Zealand (May, 1999)
CSIRO, Division of Entomology, Canberra, Australia (July 1999)
University of Laval, Department of Biology, Quebec, Canada (October 1999)
University of Copenhagen, Botanical Institute, Denmark (December, 1999)
University of Tubingen, Botanical Institute, Germany (December, 1999)
Division of Wildlife and Ecology, CSIRO, Canberra, Australia. July 2000
Queensland Department of Natural Resources, Sherwood, Australia (October
2000)
CSIRO- Division of Entomology, Canberra, Australia (March 2001)
Murdoch University, Perth, Australia (April 2001).
CSIRO- Division of Entomology, Darwin, Australia (May 2001)
Colorado State University, College of Natural Resources (October 2001)
University of Massachusetts, Department of Organismic and Evolutionary
Biology (November 2001)
Chinese University of Hong Kong, Department of Biology (December 2001)
University of British Columbia, Department of Botany (January 2002)
Michigan State University, Ecology and Evolutionary Biology Program (April
2002)
University of California (Davis), Plant Biology Graduate Program (April
2002)
University of Brasilia, Brasilia (August 2002).
Institute of Botany, Academy of Sciences of the Czech Republic (October
2002)
University of Idaho, Center for Natural Resources (Feb. 2003)
Lehigh University, Department of Earth and Environmental Sciences (March
2003)
University of Connecticut, Department of Ecology and Evolutionary Biology
(September 2003)
University of Florida, Department of Botany (October 2003)
University of Central Florida, Department of Biology (October 2003)
University of Washington, Center for Urban Horticulture (December 2003)
Geobotanisches Institut ETH, Swiss Federal Institute of Technology,
Switzerland (January 2004)
Département de Biologie/Ecologie & Evolution, Université de Fribourg/Pérolles
Switzerland (Jan. 2004)
University of British Columbia, Department of Forest Sciences (February
2004)
Institute of Botany, Chinese Academy of Sciences, Beijing, China (November
2004)
Ohio State University, Environmental Sciences (February 2005)
University of Alberta, Dept. of Applied Ecology and Land Reclamation (Feb.
2005)
University of Montana, Division of Biological Sciences (March 2005)
University of Toronto, Department of Botany (April 2005)
California State University, Department of Biology, Chico, CA (April 2005)
Carleton College, Northfield, MN (October 2005)
Macalester College, St. Paul, MN (October 2005)
Miami University, Department of Botany, Oxford, OH (October 2005)
Washington State University-Vancouver, Science Program, Vancouver, WA
(December 2005)
Duke University, Nicholas School of the Environment and Earth Sciences
(January 2006)
University of Tennessee, Department of Ecology & Evolutionary Biology,
(January 2006)
University of California (Berkeley), Department of Integrative Biology
(Feb. 2006)
Yale University, School of Forestry & Environmental Studies (March
2006)
University of Rhode Island, Dept. of Natural Resources Science (March 2006)
Rutgers University, Dept. of Ecology, Evolution and Natural Resources
(March 2006)
New York Botanical Garden (March 2006)
Gonzaga University, Department of Biology (April, 2006)
University of Toronto at Mississauga, Department of Biology (October 2006)
Michigan Technological University, School of Forest Resources &
Environmental Science (October 2006)
Cornell University, Department of Ecology & Evolutionary Biology
(October 2006)
Georgia Southern University, Department of Biology (October 2006)
Clemson University, Department of Biology (October 2006)
University of Delhi, Department of Botany, New Delhi, India (November 2006)
McGill University, Department of Biology (January 2007)
University of Toronto, Department of Ecology & Evolutionary Biology
(Feb. 2007)
University of Toronto, Centre for Global Change Science (March 2007)
University of Texas, Integrative Biology Program (March 2007)
University of Guelph, Department of Integrative Biology (March 2007)
Carleton University, Department of Biology (March 2007)
Plant Health Risk Assessment Unit (PHRA), Canadian Food Inspection Agency
(March 2007)
Smithsonian Environmental Research Center, Edgewater, MD (October, 2007)
University of Wyoming, Department of Botany (January 2008)
University of Nevada (Reno), Ecology, Evolution and
Conservation Biology Program, Reno, NV (March 2008)
Washington University, Biology Department (April 2008)
Western State College of Colorado, Department of Natural
and Environmental Sciences (September 2008)
Brigham Young University, Department of Biology (March 2009)
University of Delaware, Department of Entomology & Wildlife Ecology (March 2009)
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