Poster # 34. Quiroz, Constanza^{*,1, 2}, Cavieres, Lohengrin ^{1, 2}, ¹ Universidad de Concepción, Concepción, Chile² Instituto de Ecología y Biodiversidad (IEB), Santiago, Chile, Key processes in the establishment of the invasive species Taraxacum officinale (dandelion) in a high alpine habitat.

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Poster # 35. Ikeda, Hiroaki^*,1, ¹ National Institute for Agro-environmental Sciences, Tsukuba, Japan, Kudzu has higher competitive abilities than invasive plants in an old-field in its native land.

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Poster # 36. Hickman, Jonathan^*,1, ¹ SUNY at Stony Brook, Stony Brook, NY, N-fixation by kudzu (Pueraria montana): impacts on nitrogen cycling and soil microbial communities by an invasive vine.

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Poster # 37. Goldstein, Leah¹, Suding, Katharine¹, ¹ University of California, Irvine, Irvine, CA, Niche differences and competition promote invasion into coastal sage scrub communities.

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Poster # 38. Souza, Lara^*,1, Weltzin, Jake¹, Sanders, Nathan¹, ¹ University of Tennessee, Knoxville, Knoxville, TN, Increases in nitrogen availability have indirect negative effects on Lespedeza cuneata seedling abundance via decreases in light and soil moisture availability.

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Poster # 39. Leisnham, Paul^*,1, Lounibos, Philip², O'Meara, George², Juliano, Steven¹, ¹ Illinois State University, Normal, IL² University of Florida, Gainesville, FL, Geographic variation in competitive effect and competitive response of Aedes albopictus (Diptera: Culicidae).

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Poster # 40. Eckberg, James ^*,1, Tenhumberg, Brigitte ¹, Louda, Svata ¹, ¹ University of Nebraska- Lincoln, Lincoln, NE, Native insects reduce exotic thistle density.

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Poster # 41. He, Wei-Ming^{*,1, 2}, Thelen, Giles¹, Feng, Yu-Long^{1, 3}, Hall, Courteny¹, Ridenour, Wendy¹, Callaway, Ragan¹, ¹ University of Montana, Missoula, MT² Institute of Botany, the Chinese Academy of Sciences, Beijing, Beijing, China³ Xishuangbanna Tropical Botanical Garden, CAS, Mengla, Yunnan, China, Novel weapons versus EICA: which hypothesis explains Centaurea maculosa invasion.

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Poster # 42. Cincotta, Christy^*,1, Adams, Jonathan¹, ¹ Rutgers University, Newark, NJ, Testing the enemy release hypothesis: a comparison of insect herbivory of the exotic Acer platanoides and the native Acer saccharum.

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Poster # 43. Isbell, Jason^*,1, Battaglia, Loretta¹, ¹ Southern Illinois University Carbondale, Carbondale, Illinois, Does the invasive autumn olive alter community composition and fuelbed characteristics in upland hardwood forests of southern Illinois.

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Poster # 44. Marten, Emily^*,1, Battaglia, Loretta¹, ¹ Southern Illinois University, Carbondale, Carbondale, IL, Prairie on the rocks: effects of Poa compressa on dolomite prairie pavement communities.

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Poster # 45. Simpson, Heather^*,1, Marshall, Diane^*,1, ¹ University of New Mexico, Albuquerque, NM, USA, Patterns of genotypic and phenotypic variation in an invasive mustard, Isatis tinctoria, across its introduced range.

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Poster # 46. Mulac, Kathleen^*,1, Miriti, Maria¹, ¹ The Ohio State University, Columbus, OH, Response of Packera glabella (Poir) C. Jeffrey to disturbance and shade.

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Poster # 47. Jacques, Rochelle^*,1, McCarthy, Brian¹, ¹ Ohio University, Athens, OH, Response of native hardwood seedlings to removal of an exotic invasive grass, Microstegium vimineum.

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Poster # 48. Kao-Kniffin, Jenny^*,1, Balser, Teri¹, ¹ University of Wisconsin, Madison, WI, Exotic invasion and soil nutrient status effects on microbial communities in Hawaiian forests.

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Poster # 49. Camp, Dana^*,1, Callaham, Mac¹, O'Brien, Joseph¹, Bennett, Susan¹, Hendrix, Paul², ¹ Southern Research Station, Athens, GA² Institute of Ecology, Athens, GA, Carbon and nitrogen dynamics in soils with native and exotic earthworms determined with stable isotopes.

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Poster # 50. Johnson, Derek¹, Liebhold, Andrew², Tobin, Patrick², Bjornstad, Ottar³, ¹ Department of Biology, Lafayette, LA, USA² United States Department of Agriculture, Morgantown, WV, USA³ Departments of Entomology and Biology, University Park, PA, USA, Pulsed invasions of the gypsy moth in the US.

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Poster # 51. Dyer, Andy^*,1, Schoppell, Samantha¹, Walker, Steven ¹, Mack, Tiffany ¹, ¹ University of South Carolina Aiken, Aiken, SC, The biochemistry of germination inhibition in Aegilops triuncialis.

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Poster # 52. Remelius, Emily¹, Vaughan, Audrey¹, Schulz, Kurt^*,1, ¹ Southern Illinois University, Edwardsville, IL, Timing cutting and retreatment spraying to achieve maximum control of invasive Lonicera maackii.

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Poster # 53. Trusty, Jennifer^*,1, Lockaby, B. Graeme¹, Zipperer, Wayne², Goertzen, Leslie³, ¹ Center for Forest Sustainability, Auburn, AL, USA² Southern Center for Wildland-Urban Interface Research and Information, Gainesville, FL, USA³ Department of Biological Sciences, Auburn, AL, USA, Identity of naturalized exotic Wisteria in the Southeastern US.

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Poster # 54. Rogers, Amy^*,1, Schulz, Kurt¹, Kohn, Luci Ann¹, ¹ Southern Illinois University, Edwardsville, IL, Morphometric analysis of the invasive hybrid honeysuckle Lonicera X bella.

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Poster # 55. Barnum, Thomas ^*,1, Eubanks, Micky¹, ¹ Auburn University, Auburn, AL, Is an invasive ant a better bodyguard than a native ant.

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Poster # 57. Phillips, Martha^*,1, ¹ The College of St. Catherine, St. Paul, MN, USA, Long-term trends in abundance of the invasive species Phalaris arundinacea in undisturbed wetlands at the Cedar Creek Natural History Area, Minnesota.

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Poster # 58. Jones, Chad^*,1, Acker, Steven², Halpern, Charles¹, ¹ University of Washington, Seattle, WA² National Park Service, Port Angeles, WA, Comparing presence-only models with logistic regression in predicting the potential distributions of invasive species.

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Poster # 59. Bolitho, Andrea¹, Crawford, Curtis¹, Minchin, Peter¹, Schulz, Kurt¹, Retzlaff, William^*,1, ¹ Southern Illinois University Edwardsville, Edawrdsville, IL, Dispersal potential of non-indigenous tree species at The Nature Institute, Godfrey, IL.

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Poster # 60. Tulbure, Mirela^*,1, Auger, Donald¹, Johnston, Carol ¹, ¹ South Dakota State University, Brookings, South Dakota, Invasion of Great Lakes coastal wetlands by non-native genotypes of Phragmites australis.

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Poster # 61. Adams, Sheherezade^*,1, Tessel, Samantha^{1, 2}, Engelhardt, Katharina^{1, 2}, ¹ University of Maryland Center for Environmental Science, Frostburg, MD, USA² Frostburg State University, Frostburg, MD, USA, Microstegium vimineum (Japanese stiltgrass) abundance and native diversity.

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Poster # 62. Ruggiero, David^*,1, O'Donnell, Kelly¹, Gurevitch, Jessica¹, ¹ Stony Brook University, Stony Brook, NY, Invasion from the ground up: how invasive plants affect the seed rain and seed bank in a temperate hardwood forest.

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Poster # 63. Castellano, Steven¹, Boyce, Richard^*,1, ¹ Northern Kentucky University, Highland Heights, KY, Potential allelopathic effects of the invasive Lonicera maackii (Amur honeysuckle) on native herbs.

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Poster # 64. Mitchell, Jennifer ^*,1, Lockaby, B¹, ¹ Auburn University, Auburn, AL, Influence of Chinese privet on decomposing litter in floodplain forests.

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Poster # 65. Elgersma, Kenneth^*,1, Ehrenfeld, Joan¹, ¹ Rutgers University, New Brunswick, NJ, Japanese barberry, an exotic invasive shrub, facilitates native tree seedling growth.

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Poster # 66. Holly, D. Christopher^*,1, ¹ Mississippi State University, Starkville, MS, Relative importance of propagule pressure, light availability, and nutrient concentration upon the establishment and physiology of a model invasive species, Imperata cylindrica.

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Poster # 67. Averill, Kristine^*,1, DiTommaso, Antonio ¹, Mohler, Charles¹, Morris, Scott¹, Milbrath, Lindsey², ¹ Cornell University, Ithaca, NY² United States Department of Agriculture- Agricultural Research Service, Ithaca, NY, Vegetative expansion and seedling fate of swallow-worts (Vincetoxicum spp.), introduced invasive vines in the northeastern US.

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Poster # 68. Loewenstein, Nancy^*,1, Loewenstein, Edward¹, ¹ Auburn University, Auburn, AL, Response of Microstegium vimineum and Lonicera japonica to changes in forest structure and light.

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Poster # 69. Forrest, Jessica^*,1, Zimmerman, Laura^*,1, Parrish, Judy^{1, 2}, ¹ Millikin University, Decatur, Illinois² Center for Ecologicial Entomology, Champaign, Illinois, The effects of three different herbicides on cut and uncut teasel, Dipsacus laciniatus.

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Poster # 70. Emry, Jason^*,1, ¹ University of Kansas, Lawrence, KS, USA, Changes in Lespedeza cuneata abundance and distribution in response to different management practices.

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Poster # 71. Abts, Anna ^*,2, Lang, Kimberly ^*,2, Vaughn, Steven ¹, Morris, Sherri ², McConnaughay, Kelly ², ² Bradley University, Peoria, IL¹ United States Department of Agriculture, Peoria, IL, Intergenerational differences in defensive chemical production in Alliaria petiolata.

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Poster # 72. Anderson, Laurel^*,1, Blyth, Lauren¹, Hatch, Jacquelyn¹, Reif, Nicholas¹, ¹ Ohio Wesleyan University, Delaware, OH, Gas exchange strategies in invasive Alliaria petiolata and co-occurring native species.

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Poster # 73. Gómez, Susana^{*,1, 2}, Cavieres, Lohengrin^{1, 2}, Valencia, Graciela, ¹ Universidad de Concepción, Concepción, Concepción² Instituto de Ecología y Biodiversidad (IEB), Santiago, Santiago, Effect of fire on the emergence from soil seed bank in the matorral of central Chile: consequences for alien plant invasion.

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Poster # 74. West, Natalie^{*,1, 2}, Gibson, David¹, Minchin, Peter³, ¹ Southern Illinois University Carbondale, Carbondale, IL² University of Nebraska-Lincoln, Lincoln, NE³ Southern Illinois University Edwardsville, Edwardsville, IL, Exotic species microhabitats in Illinois shale barrens.

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Poster # 75. Evans, Jeffrey^*,1, Landis, Douglas¹, Schemske, Douglas¹, ¹ Michigan State University, East Lansing, MI, From 'the rich get richer' to biotic resistance: variable relationships between diversity and invasibility.

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Poster # 76. Traut, Bibit^*,1, ¹ University of California, Berkeley, CA, Increased species richness reduces success of an invasive annual plant in a northern California salt marsh.

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Poster # 78. Opa, Noel^*,1, Zajac, Leila², Hanson, D. Eric¹, Schaafsma, Hoski³, ¹ American Samoa Community College, Pago Pago, AS² University of Chicago, Chicago, IL³ Arizona State University, Phoenix, AZ, Invasive or useful plants? Traditional Ecological Knowledge and use of introduced plant species on Tutuila (American Samoa).

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Poster # 79. Trafton, Alea^*,1, Pockman, William¹, ¹ University of New Mexico, Albuquerque, NM, Water relations of native and non-native tree species along the Middle Rio Grande, New Mexico, US.

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Poster # 80. Heard, Matthew^*,1, Valente, Matthew¹, ¹ University of Tennessee, Knoxville, TN, Past and present declines in hemlocks and the future of Great Smoky Mountains National Park.

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Poster # 81. Urban, Rebecca^*,1, Titus, John¹, Zhu, Wei-Xing¹, ¹ Binghamton University, Binghamton, NY, Shading by an invasive macrophyte accounts for its cascading ecosystem effects.

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