Poster # 153. Herrick, Gabriel^*,1, Fox, Gordon¹, ¹ University of South Florida, Tampa, FL, Demographic consequences of dormancy in the pine lily, Lilium catesbaei.

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Poster # 154. Morrison, Katy ^*,1, Pai, Aswini¹, Evans, Paige¹, ¹ Department of Biology, Canton, NY, Impact of harvest on populations of Sanguinaria canadensis in northern New York.

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Poster # 155. Dalgleish, Harmony¹, Kula, Abigail^*,1, Hartnett, David¹, Sandercock, Brett¹, ¹ Kansas State University, Manhattan, KS, USA, Nitrogen addition alters ramet demography and reproductive allocation in two casepistose grass species of tallgrass prairie.

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Poster # 156. Biganzoli, Fernando¹, Batista, William^*,1, ¹ IFEVA, Facultad de Agronomía (UBA) - CONICET, Buenos Aires, Argentina, Landscape scale shrub population dynamics in a temperate savanna.

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Poster # 157. Schulz, Kurt^*,1, Jones, Cynthia^{1, 2}, Schulz, Rosa³, Mattson, William ⁴, Zasada, John⁵, ¹ Southern Illinois University, Edwardsville, IL² MWH Global, Inc., Portland, OR³ Lincoln Middle School, Edwardsville, IL⁴ North Central Forest Experiment Station, Rhinelander, WI⁵ North Central Forest Experiment Station, Grand Rapids, MN, Contrasting demography of the understory shrub Dirca palustris in two habitats.

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Poster # 158. Warren, Robert^*,, Pulliam, Ronald, , Demographic response of two understory evergreen herbs along environmental gradients.

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Poster # 160. Quintana-Ascencio, Pedro^*,1, Caballero, Idoia², Olano, Jose ³, Escudero, Adrian⁴, Albert, Maria⁴, ¹ University of Central Florida, Orlando, FL² Laboratorio de Botánica., Bilbao, Spain³ Universidad de Valladolid, Soria, Spain⁴ Universidad Rey Juan Carlos., Madrid, Spain, Spatially explicit population modelling of the gypsum endemic Helianthemum squamatum.

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Poster # 161. Meiners, Scott^*,1, Klass, Jeremy¹, Rye, Timothy¹, ¹ Eastern Illinois University, Charleston, IL, Native and exotic species exhibit similar population dynamics in secondary succession.

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Poster # 162. Che, Judy^{*,1, 2}, ¹ University of Maryland, College Park, College Park, MD² The Rocky Mountain Biological Laboratory, Crested Butte, CO, Plant population dynamics and colonization of metal-contaminated mine tailings.

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Poster # 163. Pfingsten, Ian^*,1, Quintana-Ascencio, Pedro², ¹ University of Central Florida, Orlando, FL² University of Central Florida, Orlando, FL, Simulating demographic effects of environmental variation for a pyrogenic Florida scrub plant.

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Poster # 164. Rein, Brys^{*,1, 2}, Hans, Jacquemyn¹, Martin, Hermy¹, ¹ Catholic University of Leuven, Leuven, Belgium² Institute of Nature Conservation, Brussels, Belgium, Impact of mate availability, population size, and spatial aggregation of morphs on sexual reproduction in a distylous, aquatic plant.

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Poster # 165. Bustamante, Enriquena^*,1, Búrquez, Alberto¹, ¹ Instituto de Ecología, Universidad Nacional Autónoma de México, Hermosillo, Mexico, Timing matters: variation in flowering time, phenology, and plant size in populations of organ pipe cactus.

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Poster # 166. Sierra-Almeida, Angela^{*,1, 2}, Cavieres, Lohengrin^{1, 2}, ¹ Universidad de Concepción, Concepción, Chile² Instituto de Ecología y Biodiversidad (IEB), Santiago, Chile, Seed size and shape: are they good predictors of seed persistence in the soil in the Andes of central Chile?

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Poster # 167. Ruhe, Brandon^*,1, Sacchi, Christopher¹, ¹ Kutztown University of Pennsylvania, Kutztown, PA, The relationship between seed mass, seedling growth, and seed predation in two native oak species: Quercus prinus and Quercus rubra.

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Poster # 168. Kirwan, Ian^*,1, Endress, Anton¹, ¹ University of Illinois, Urbana-Champaign, Illinois, USA, Inhibition of seed germination by extracts from the invasive herb Alliaria petiolata.

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Poster # 169. Kaproth, Matthew^*,1, McGraw, James¹, ¹ West Virginia University, Morgantown, WV, Seed germinability of the invasive tree Ailanthus altissima after dispersal in aqueous environments.

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Poster # 170. Chacón, Paulina^{*,1, 2}, Cavieres, Lohengrin^{1, 2}, ¹ Universidad de Concepción, Concepción² Instituo de Ecología y Biodiversidad, Santiago, Facilitation via seed germination on alpine plant species of the high Andes of central Chile.

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Poster # 171. Albrecht, Matthew¹, McCarthy, Brian^*,1, ¹ Ohio University, Athens, OH, Interspecific variation in seed dormancy and germination of temperate woodland herbs threatened by human harvesting.

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Poster # 172. Woo, Eliza^*,1, ¹ Stony Brook University, Stony Brook, NY, Understanding seed dispersal effectiveness on the invasion of Juniperus bermudiana in Hawaii.

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Poster # 173. Blyth, Lauren^*,1, Milligan, Laura¹, Johnson, David¹, Anderson, Laurel¹, ¹ Ohio Wesleyan University, Delaware, OH, Deer as seed dispersers: the importance of scat decay, and effects on plant communities.

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Poster # 174. Huebner, Cynthia^*,1, ¹ USDA Forest Service, Morgantown, WV, Dispersal of Microstegium vimineum (Trin.) A. Camus (Japanese stilt grass) into West Virginia forests.

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Poster # 175. Shuler, Rachel^*,1, DiTommaso, Toni¹, Losey, John², ¹ Crop and Soil Sciences, Cornell University, Ithaca, NY² Department of Entomology, Cornell University, Ithaca, NY, Geospatial analysis of seed removal rates and arthropod diversity and activity density in adjacent annual cropping studies.

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Poster # 176. Pecot, Stephen^*,1, Mitchell, Robert^*,1, O'Brien, Joseph^*,2, Kirkman, Kay¹, ¹ J.W. Jones Ecological Research Center, Newton, GA, USA² USDA Forest Service, Athens, GA, USA, A tale of two forests: light environments in slash and longleaf pine forests and their impact on seedling responses.

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Poster # 177. Nilsen, Erik^*,1, ¹ Department of Biological Sciences, Blacksburg, VA, USA, Sun fleck dynamics of canopy tree seedlings in the presence of evergreen shrubs.

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Poster # 178. Lewis, Michelle^*,1, Stout, I.¹, ¹ University of Central Florida, Orlando, FL, Cleistogamy in Clitoria fragrans: phenotypic and environmental factors influencing floral expression.

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Poster # 179. Wildova, Radka^*,1, ¹ University of Michigan, Ann Arbor, MI, Effect of artificial rhizome networks on growth of clonal plants.

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Poster # 180. Graves, William^*,1, Ackerly, David², ¹ Iowa State University, Ames, IA² University of California, Berkeley, Berkeley, CA, Reproductive dynamics of Dirca occidentalis, a rare, endemic shrub.

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