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laciniata may serve as an important model in which to investigate the conservation of threatened plant species with little genetic variation in a changing climate. laciniata is needed to confirm the occurrence of asexuality and apomixis, clarify its reproductive isolation from other taxa, and to understand whether it exhibits residual sexual reproduction, epigenetic variation, or phenotypic plasticity to help it persist in response to environmental variation. laciniata, as the likelihood that facultative sexual reproduction may occur may be greater in larger populations. We recommend maintaining large population sizes to conserve evolutionary potential in L. laciniata is morphologically, geographically, and genetically distinct, it should be recognized as an evolutionarily significant unit for conservation. exigua demonstrated population genetic patterns consistent with a self-compatible mating system. laciniata is an annual and the same genotype occurs across multiple populations, asexuality may be caused by apomixis, asexual reproduction via seed.

laciniata showed identical genotypes at all 16 microsatellite loci across most of its range, fixed heterozygosity at some loci, and significant heterozygote excesses, consistent with a lack of recombination associated with an asexual mating system, which has not been documented previously in Leavenworthia. exigua, and (3) implications for conservation.

laciniata is genetically distinct from L. exigua to understand: (1) levels of genetic diversity within and among populations, (2) whether L. We conducted a range-wide population genetic study of L. laciniata occupies a narrow geographic range and is experiencing major habitat loss, it was recently listed as threatened however, little is known about its genetic diversity and implications for conservation. exigua, a winter-annual plant endemic to the central United States. One such taxon is Leavenworthia exigua var. Leavenworthia (Brassicaceae) has served as a model group for investigating the evolution of mating systems in plants, yet several Leavenworthia species remain understudied. 2Department of Biology, Saint Louis University, St.1Plant Conservation Genetics Laboratory, Center for Conservation and Sustainable Development, Missouri Botanical Garden, St.Edwards 1 *, Burgund Bassüner 1 and Brigette R.

Genodive unable to read population number