Poster # 41. Maldonado-Leal, Baruk^*,1, Búrquez, Alberto², ¹ Instituto de Ecología, Universidad Nacional Autónoma de México, Unidad Hermosillo, Hermosillo, Sonora, Mexico² Instituto de Ecología, Universidad Nacional Autónoma de México, Unidad Hermosillo, Hermosillo, Sonora, Mexico Hummingbirds, verdins and the reproductive biology of Fouquieria macdougalii.

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Poster # 42. MUÑOZ URIAS, ALEJANDRO^*,1, PALOMIN HASBACH, GUADALUPE², VELAZQUEZ, ARMANDO GARCIA³, TERRAZAS, TERESA⁴, PIMIENTA BARRIOS, EULOGIO⁵, HUERTA MARTINEZ, MARTIN, ¹ UNIVERSIDAD DE GUADALAJARA, GUADALAJARA, JALISCO, MEXICO² UNIVERSIDAD NACIONAL AUTONOMA DE MEXICO, MEXICO, DISTRITO FEDERAL, MEXICO³ COLEGIO DE POSGRADUADOS, TEXCOCO, MEXICO, MEXICO⁴ COLEGIO DE POSGRADUADOS, TEXCOCO, MEXICO, MEXICO⁵ UNIVERSIDAD DE GUADALAJARA, GUADALAJARA, JALISCO, MEXICO Fragmented Populations of Opuntia streptacantha (Cactaceae) .

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Poster # 43. UGARTE, CRISTINA^*,1, ¹ Florida International University, Miami, Florida Body condition, reproduction and diet variation of Rana grylio as a function hydrology.

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Poster # 44. Hayes, Nelson^*,1, Breault, Steven¹, Stephenson, Andrew, ¹ The Pennsylvania State University, University Park, PA A comparison of male and female responses to inbreeding in Cucurbita texana.

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Poster # 45. Tom, Jessica^*,1, Lewis, James², ¹ Pleasantville High School, Pleasantville, New York² Fordham University, Armonk, New York Interactive effects of plant age and nitrogen supply on reproductive allocation in Ipomoea nil.

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