RT Conference Proceedings SR 00 A1 Guerrero Garcia, Silvia A1 Martinez Garcia, Felipe A1 Martinez Fernandez, Vanesa A1 Perez Garcia, Felix T1 Evaluation of reproductive success in Senecio coincyi Rouy, a threatened species from Spain YR 2010 FD 20/06/2010 - 24/06/2010 AB Senecio coincyi Rouy (Asteraceae) is a threatened endemic species from the mountains of Sierra de Gredos, centraf western Spain. This species is protected by the Autonomous Community of Castile and León (Spain) and is included in the "In danger of extinction" category in the protected flora catalogue of that region. It was later catalogued as Vulnerable (VU) on the Red List of Threatened Spanish Vascular Flora (Moreno et al., 2008). In this paper, the results of a two-year investigation of S. coincyi population biology are shown. The aim of this work was to study several aspects of S. coincyi reproductive biology. T2 3rd International Society for Seed Science Meeting on Seeds and the Environment ED Salt Lake City, Utah, EEUU AV Published LK https://oa.upm.es/8170/ UL http://www.seedecology3.org/