F. Thomas Ledig

image of F. Thomas Ledig



Plant Sciences


1967 PhD Genetics North Carolina State University
1965 MS Genetics North Carolina State University
1962 BS Plant Science Rutgers University

Research Interests

Conservation genetics, population genetics, and evolutionary biology of rare conifers


Fellow, American Association for the Advancement of Science, elected 2002
Barrington Moore Memorial Award, Society of American Foresters, 1992
Award in recognition “Por sus aportaciones al conocimiento y conservación de coníferas mexicanas [of your contributions to the knowledge and conservation of Mexican conifers]; Universidad Autónoma Agraria Antonio Narro, Saltillo, Coahuila, México, 2009

Department and Center Affiliations

Plant Science


American Association for the Advancement of Science
Society for Conservation Biology
Botanical Society of America
Society of American Foresters

CBS Grad Group Affiliations

Integrated Genetics and Genomics

Specialties / Focus

Integrated Genetics and Genomics
  • Plant Breeding

Graduate Groups not Housed in CBS


Field Sites

Institute of Forest Genetics website

Teaching Interests

Conservation and population genetics


11/15/2013 10:25:27 AM
  • Ledig, F.T., G.E. Rehfeldt, C. Sáenz-Romero, and C. Flores-López. 2010. Projections of suitable habitat for rare species under global warming scenarios, and recommendations for conservation of the Mexican spruces. American Journal of Botany 97: 970-987.
  • Ledig, F.T., G.E. Rehfeldt, and B. Jaquish. 2012. Projections of suitable habitat under climate change scenarios: implications for trans-boundary assisted colonization. American Journal of Botany 99: 1217-1230.
  • Ledig, F.T., J.L. Hom, and P.E. Smouse. 2013. The evolution of the New Jersey Pine Plains. American Journal of Botany 100: 778-791.
  • Ledig FT, Conkle MT, Bermejo-Velázquez B, Eguiluz-P T, Hodgskiss PD, Johnson DR and WS Dvorak. 1999. Evidence for an extreme bottleneck in a rare Mexican pinyon: genic diversity, disequilibrium, and the mating system in Pinus maximartinezii. Evolution 53: 91-99.
  • Ledig FT. 2000. Founder effects and the genetic structure of Coulter pine. Journal of Heredity. 91:307-315
  • Ledig, F. T., B. Bermejo-Velázquez, P. D. Hodgskiss, D. R. Johnson, C. Flores-López, and V. Jacob-Cervantes. 2000. Mating system and genic diversity in Martínez spruce, an extremely rare endemic of México's Sierra Madre Oriental: an example of facultative selfing and survival in interglacial refugia. Canadian Journal of Forest Research 30: 1156-1164.
  • Ledig F, MA Capó-Arteaga, PD Hodgskiss, H Sbay, C Flores-López, MT Conkle and B Bermejo-Velázquez. 2002. Genetic diversity and the mating system of a rare Mexican piñon, Pinus pinceana, and a comparison with Pinus maximartinezii. American Journal of Botany 88: 1997-1987.
  • Ledig, F. T., P. D. Hodgskiss, and V. Jacob-Cervantes. 2002. Genic diversity, the mating system, and conservation of a Mexican subalpine relict, Picea mexicana Martínez. Conservation Genetics 3: 113-122.
  • Lee, S.-W., F. T. Ledig, and D. R. Johnson. 2002. Genetic variation at allozyme and RAPD markers in Pinus longaeva of the White Mountains, California. American Journal of Botany 89: 566-577.
  • Ledig, F.T., P.D. Hodgskiss, K.V. Krutovskii, D. B. Neale, and T. Eguiluz-Piedra. 2004. Relationships among the spruces (Picea, Pinaceae) of southwestern North America. Systematic Botany 29: 275-295.
  • Ledig, F.T., P.D. Hodgskiss, and D.R. Johnson. 2005. Genic diversity, genetic structure, and the mating system of Brewer spruce (Pinaceae), a relict of the Arcto-Tertiary forest. American Journal of Botany 92: 1975-1986.
  • Ledig, F.T., P.D. Hodgskiss, and D.R. Johnson. 2006. Genetic diversity and seed production in Santa Lucia fir, a relict of the Miocene boadleaved evergreen forest. Conservation Genetics 7: 383-398.
  • Jaramillo-Correa, J.P., J. Beaulieu, F.T. Ledig, and J. Bousquet. 2006. Decoupled mitochondrial and chloroplast DNA population structure reveals Holocene collapse and population isolation in a threatened Mexican-endemic conifer. Molecular Ecology 15: 2787-2800.
  • Ledig, F.T., P.D. Hodgskiss, and D.R. Johnson. 2007. The structure of genetic diversity in Engelmann spruce and a comparison with blue spruce. Canadian Journal of Botany: 84: 1806-1828.