[UNKNOWN: PRESTIME] McKinley, Duncan^*,1, VanAuken, Oscar¹, ¹ University of Texas at San Antonio, San Antonio. Abiotic and biotic factors influencing Juniperus ashei (Cupressaceae) juvenile plant growth.

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[UNKNOWN: PRESTIME] Lusk, Chris^*,1, ¹ Departamento de Botánica, Concepción, Chile. Determinants of juvenile tree shade tolerance in a temperate rain forest.

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[UNKNOWN: PRESTIME] Cardelús, Catherine^*,1, Chazdon, Robin², ¹ University of Connecticut, Storrs, CT² University of Connecticut, Storrs, CT. Canopy microclimate: a vascular epiphyte's perspective.

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[UNKNOWN: PRESTIME] MATSUBARA, SHIZUE^*,1, GILMORE, ADAM¹, BALL, MARILYN¹, OSMOND, BARRY², ¹ Research School of Biological Sciences, Canberra, ACT, Australia² Biosphere 2 Center, Oracle, AZ. Winter acclimation in mistletoe leaves: A conserved mechanism for protection of thylakoid membranes over winter.

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[UNKNOWN: PRESTIME] Montgomery, Rebecca^*,1, Givnish, Thomas¹, ¹ University of Wisconsin, Madison, WI. Photoinhibition in the Hawaiian lobeliads across field and common-garden light gradients.

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[UNKNOWN: PRESTIME] Givnish, Thomas^*,1, Montgomery, Rebecca¹, ¹ University of Wisconsin, Madison, WI. Common-garden studies of adaptive divergence in photosynthetic traits along a sun-shade gradient in the Hawaiian lobeliads.

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[UNKNOWN: PRESTIME] Cole, Patrice^*,1, Weltzin, Jake¹, ¹ The University of Tennesse, Knoxville, Knoxville, TN. Demonstration of a light/water trade-off in the non-native, invasive grass, Microstegium vimineum.

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[UNKNOWN: PRESTIME] BANYARD SMITH, HELENA¹, KELLY, COLLEEN^*,1,2, ¹ University of Oxford, Oxford, UK² University of Southampton, Southampton, UK. Coexistence and relative abundance in Caesalpinia: limitations on storage dynamics in a tropical forest.

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[UNKNOWN: PRESTIME] Johnson, Gregory^*,1, Day, Thomas¹, ¹ Arizona State University, Tempe, AZ. Photosynthetic significance and localization of ultraviolet-induced blue fluorescence in leaves.

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[UNKNOWN: PRESTIME] Henderson, Dawn^*,1, Jose, Shibu^1,2, Ramsey, Craig², ¹ University of Florida, Gainesville, Florida² University of Florida, Milton, Florida. Does increasing resource availability increase light capture and above ground biomass?

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[UNKNOWN: PRESTIME] Cooley, Arielle^*,1,2, Reich, Alexandra¹, Rundel, Philip², ¹ La Selva Biological Station, Sarapiqui, Costa Rica² UCLA, Los Angeles, CA. Leaf regeneration in neotropical understory herbs following experimental defoliation.

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[UNKNOWN: PRESTIME] Klemens, Jeffrey^*,1, ¹ University of Pennsylvania, Philadelphia, PA. Plasticity in allocation patterns, root architecture, and growth rate of tropical dry forest tree seedlings.

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[UNKNOWN: PRESTIME] Fritz, Ken^*,1, Feminella, Jack¹, ¹ Auburn University, Auburn, AL. Factors affecting biomass and biomass allocation in the riverine macrophyte Justicia americana (L.) Vahl.

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[UNKNOWN: PRESTIME] Schreeg, Laura^*,1, Kobe, Richard¹, Walters, Michael¹, ¹ Michigan State University, East Lansing, MI. Morphological traits of tree seedlings predict variation in species performance consistent with landscape variation in northern lower Michigan.

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