[UNKNOWN: PRESTIME] Rivera, Christin^*,1, Romagni, Joanne¹, ¹ University of St Thomas, Houston, TX, USA. Elucidation of a novel mode of action for a lichen anthraquinone analogue .

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[UNKNOWN: PRESTIME] Romagni, Joanne^*,1, Nanayakkara, Dhammika², Dayan, Franck³, ¹ University of St. Thomas, Houston, TX² University of Mississippi, University, MS³ USDA-ARS; NPURU, University, MS. Ecophysiology and mode of action for a selected lichen secondary product .

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[UNKNOWN: PRESTIME] STIEHA, CHRISTOPHER^*,1, CROWLEY, PHILIP¹, MCLETCHIE, NICHOLAS¹, ¹ T.H. Morgan School of Biological Sciences, Lexington, Kentucky. Overgrowth competition and sex ratio dynamics using a spatially explicit sub-indiviual-based (SESUB) model.

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[UNKNOWN: PRESTIME] Suding, Katharine^*,1, Bowman, William¹, Larson, Julia¹, Thorsos, Eileen², ¹ University of Colorado at Boulder, Boulder, CO² Swarthmore College, Swarthmore, PA. Feeding the microbes: can it confer a competitive advantage in plant-plant interactions?

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[UNKNOWN: PRESTIME] Hoeksema, Jason^*,1, ¹ University of California--Davis, Davis, CA. Strength of competition among conifer seedlings depends on species identity and host-specificity of mycorrhizal fungi.

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[UNKNOWN: PRESTIME] Haskins, Kristin^*,1,2, Gehring, Catherine^1,2, ¹ Northern Arizona University, Flagstaff, AZ² Merriam-Powell Center for Environmental Research, Flagstaff, AZ. Drought stress and competition with a co-dominant can alter the establishment and performance of pinyon pine.

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[UNKNOWN: PRESTIME] Beier, Colin^*,1, Nilsen, Erik¹, Horton, Jonathan¹, Walker, John¹, Clinton, Barton², ¹ Virginia Polytechnic Institute and State University, Blacksburg, VA² USDA Forest Service Southern Research Station, Otto, NC. Resource availability and tree seedling performance along natural gradients of understory shrub density in an eastern deciduous forest.

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[UNKNOWN: PRESTIME] Morzaria-Luna, Hem Nalini^*,1, Zedler, Joy¹, ¹ University of Wisconsin-Madison., Madison, WI. Competitive outcomes between halophytes shift when N and water levels are varied.

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[UNKNOWN: PRESTIME] Kobe, Richard^*,1, ¹ Michigan State University, East Lansing. Sapling growth in relation to light, foliar nitrogen, and soil moisture across landscape variation in forest communities.

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[UNKNOWN: PRESTIME] Call, Lara^*,1, Nilsen, Erik¹, ¹ Virginia Polytechnic Institute and State University, Blacksburg, VA. Analysis of interspecific and intraspecific interactions between Ailanthus altissima and Robinia pseudoacacia.

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[UNKNOWN: PRESTIME] Jalics, Emily^*,1, Shea, Katriona¹, ¹ The Pennsylvania State University, University Park, PA. Can two similar invasive species coexist?

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[UNKNOWN: PRESTIME] White, Virginia^*,1, Holt, Jodie¹, ¹ Department of Botany and Plant Sciences, Riverside, CA. Effect of competition on the invasive plant, Cynara cardunculus, artichoke thistle.

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[UNKNOWN: PRESTIME] Schupp, Eugene^*,1,3, Boettinger, Janis^2,3, Jordano, Pedro³, ¹ Department of Rangeland Resources, and, Logan, Utah³ Estación Biológica de Doñana, Sevilla, Spain² Department of Plants, Soils and Biometeorology, and, Logan, Utah. Prunus mahaleb regeneration: does the balance between interference and facilitation depend on the environment?

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[UNKNOWN: PRESTIME] Brautigam, Phillip^*,1, Tonsor, Stephen¹, ¹ University of Pittsburgh, Pittsburgh, PA. Mechanisms of resource competition in Arabidopsis thaliana.

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