Murawski, D. A., T. H. Fleming, K. Ritland and J. L. Hamrick. 1994. The mating system of an autotetraploid cactus, Pachycereus pringlei. Heredity. 72:86-94. Cruzan, M. B., J. L. Hamrick, M. L. Arnold and B. D. Bennett. 1994. Mating system variation in hybridizing irises. Heredity. 72:95-105. Hamrick, J. L. 1994. Distribution of genetic diversity in tropical tree populations: Implications for the conservation of genetic resources. pp. 74-82 In Lambeth, C. C. and W. Dvorak (eds). Resolving tropical forest resource concerns through tree improvement, gene conservation and domestication of new species. Proceedings IUFRO Conference. Cali, Columbia. Hamrick, J. L. 1994. Genetic diversity and conservation in tropical forests. Proc. International Symposium on Genetic conservation and Production of Tropical forest Tree Seed. Asean-Canada. Forest Tree Centre pp 1-9. In Drysdale, R. M., S. E. T. John and A. C. Yopa (eds). Williams, C. G., J. L. Hamrick, and P. O. Lewis. 1995. Multiple-population versus hierarchial conifer breeding programs: A comparison of genetic diversity levels. Theo. Appl. Genet. 90:584-594. Godt, M. J. W. and J. L. Hamrick. 1995. Allozyme variation in two Great Smoky Mountain endemics: Cacalia regelia and Glyceria nubigena. J. Hered. 86:194-198. Godt, M. J. W., J. L. Hamrick and S. Bratton. 1995. Genetic diversity in a threatened wetland species, Helonias bulbata (Liliaceae). Cons. Biol. 9:596-604. Berg, E. E. and J. L. Hamrick. 1995. Fine-scale genetic structure of a turkey oak forest. Evolution 49:110-120. Schierenbeck, K. A., J. L. Hamrick, R. N. Mack. 1995. Comparison of allozyme variability in a native and an introduced species of Lonicera. Heredity 75:1-9. Godt, M. J. W. and J. L. Hamrick. 1995. Low levels of allozyme differentiation between Pyxidanthera (pyxie-moss) taxa (Diapensiaceae) Pl. Syst. Evol. 195:159-168. Edwards, M. A. and J. L. Hamrick. 1995. Genetic variation in shortleaf pine, Pinus echinata Mill. (Pinaceae). For. Genet. 2:21-28. Godt, M. J. W. and J. L. Hamrick. 1995. The mating system of Liatris helleri (Asteraceae), a threatened plant species. Heredity 75:398-404. Schnabel, A. and J. L. Hamrick. 1995. Understanding the population genetic structure of Gleditsia triacanthos L: The scale and pattern of pollen gene flow. Evolution 49:921-931. Hamrick, J. L. and M. J. W. Godt. 1996. Conservation genetics of endemic plant species. Pp. 281-304. In Avise, J. C. and J. L. Hamrick (eds). Conservation Genetics, Chapman and Hall, New York. McDonald, D. B. and J. L. Hamrick. 1996. Genetic variation in some plants of Florida scrub. Am. J. Bot. 83:21-27. Williams, C. G. and J. L. Hamrick. 1995. Genetic diversity levels in an advanced-generation Pinus taeda L. program measured using molecular markers. Forest Genetic Resources Newsletter 23:45-50. Parker, K. C. and J. L. Hamrick. 1996. Genetic variation in sand pine (Pinus clausa). Can. J. For. Res. 26:244-254. Williams, C. G. and J. L. Hamrick. 1996. Elite populations for conifer breeding and gene conservation. Can. J. For. Res. 26:453-461. Godt, M. J. W. and J. L. Hamrick. 1996. Genetic diversity and morphological differentiation in Liatris helleri (Asteraceae), a threatened plant species. Biodiv. and Cons. 5:461-471. Hagen, M. J. and J. L. Hamrick. 1996. A hierarchial analysis of population genetic structure in Rhizobium leguminosarium bv. trifolii. Molecular Ecology 5:177-186. Hamrick, J. L. and J. D. Nason. 1996. Consequences of dispersal in plants. Pp 203-236. In: Rhodes, O. E., R. K. Chesser and M. H. Smith (eds). Population Dynamics in Ecological space and Time. University of Chicago Press, Chicago. Stacy, E. A., J. L. Hamrick, J. D. Nason, S. P. Hubbell, R. B. Foster and R. Condit. 1996. Pollen dispersal in low-density populations of three Neotropical tree species. Am. Nat. 148:275-298. Godt, M. J. W., B. R. Johnson and J. L. Hamrick. 1996. Genetic diversity and population size in four rare southern Appalachian Plant species. Cons. Biol. 10:796-805. Godt, M. J. W. and J. L. Hamrick. 1996. Genetic structure of two endangered pitcher plants, Sarracenia jonesii and Sarracenia oreophila (Sarraceniaceae). Am. J. Bot. 83:1016-1023. Hamrick, J. L. and M. J. W. Godt. 1996. Effects of life history traits on genetic diversity in plant species. Phil. Trans. Roy. Soc. London Biol. Sci. 351:1291-1298. Laushman, R. H., A. Schnabel and J. L. Hamrick. 1996. Electrophoretic evidence for tetrasomic inheritance in the dioecious tree Maclura pomifera (Raf) Schneid. J. Hered. 87:469-473. Godt, M. J. W. and J. L. Hamrick. 1996. Allozyme diversity in the endangered shrub Lindera melissifolia (Lauraceae) and its widespread congener Lindera benzoin. Can. J. For. Res. 26:2080-2087. Nason, J. D., E. A. Herre and J. L. Hamrick. 1996. Paternity analysis of the breeding structure of strangler fig populations: Evidence for substantial long-distance wasp dispersal. J. Biogeogr. 23:501-520. Hagen, M. J. and J. L. Hamrick. 1996. Population level processes in Rhizobium leguminosarum b.v. trifolii: The role of founder effects. Mol. Ecol. 5:707-714. Pellmyr, O., L. K. Massey, J. L. Hamrick, and M. A. Feist. 1997. Genetic consequences of specialization: Yucca moth behavior and self-pollination in yuccas. Oecologia 109:273-278.116. Hamrick, J. L., and M. J. W. Godt. 1997. Allozyme diversity in cultivated crops. Crop Science 37:26-30. Godt, M. J. W., J. Walker, and J. L. Hamrick. 1997. Genetic diversity in the endangered lily Harperocallis flava, and a close relative, Tolfieldia racemora. Cons. Biol. 11:361-366 Berg, E. E., and J. L. Hamrick. 1997. Quantification of genetic diversity at allozyme loci. Can. J. For. Res. 27:415-424. Nason, J. D., P. R. Aldrich, and J. L. Hamrick. 1997. Dispersal and the dynamics of genetic structure in fragmented tropical tree populations, pp. 304-320. In Tropical Forest Remnants: Ecology, Management and conservation of fragmented communities. W. F. Laurance and R. O. Berregaard (eds). University of Chicago Press. Edwards-Burke, M. A., J. L. Hamrick and R. A. Price 1997. Frequency and direction of hybridization in sympatric populations of Pinus taeda and P. echinata (Pinaceae). Am. J. Bot. 84:879-886. Nason, J. D. and J. L. Hamrick. 1997. Reproductive and genetic consequences of forest fragmentation: Two case studies of neotropical canopy trees. J. Hered. 88:264-276. Hamrick, J. L. 1997. Gene flow in tropical forests. CTFS Newsletter. Ceska, J. F., J. M. Affolter and J. L. Hamrick. 1997. Developing a sampling strategy for Baptisia arachnifera based on allozyme diversity. Cons. Biol. 11:1133-1139. Parker, K. C., J. L. Hamrick, A. J. Parker and E. A. Stacy. 1997. Allozyme diversity in Pinus virginiana (Pinaceae): intraspecific and interspecific comparisons. Am. J. Bot. 84:1372-1382. Godt, M. J. W., T. Race and J. L. Hamrick. 1997. A population genetic analysis of Ziziphus celata, an endangered Florida shrub. J. Hered. 88:531-533. Jorgensen, S. M. and J. L. Hamrick. 1997. Biogeography and population genetics of whitebark pine, Pinus albicaulis. Can. J. For. Res. 27:1574-1585 .