Publications from the lab (since 2000)

In review or in preparation

Steven, J. C., I. A. Anderson, E. D. Brodie III, and L. F. Delph. Rapid elimination of a potentially constraining genetic correlation. In review.


Delph, L. F. The study of local adaptation: a thriving research program. Journal of Heredity (in press).


Gibson, A. K., L. F. Delph, and C. M. Lively. The two-fold cost of sex: experimental evidence from a natural system. Evolution Letters 1: 6-15.

Martin, H., P. Touzet, M. Dufay, C. Godé, E. Schmitt, E. Lahiani, L. F. Delph, and F. Van Rossum. Lineages of Silene nutans developed strong, asymmetric postzygotic reproductive isolation in allopatry. Evolution 71: 1519-1531.

Brothers, A. N. and L. F. Delph. Divergence in style length leads to postmating-prezygotic reproductive isolation among populations of Silene latifolia. Evolution 71: 1532-1540.


Brothers, A. N., L. A. Weingartner, and L. F. Delph. Genetically based population divergence of Silene latifolia from two climate regions. Evolutionary Ecology Research 17:637-650.

Humphrey, R. P. Pollen heteromorphism is pervasive in Thalictrum (Ranunculaceae). Plant Systematics and Evolution doi:10.1007/s00606-016-1312-8.

Castillo, D. and L. F. Delph. Male-female genotype interactions maintain variation in traits important for sexual interactions and reproductive isolation. Evolution 70: 1667-1673.

Delph, L. F. and J. P. Demuth. Haldane's rule: genetic bases and their empirical support. Journal of Heredity 107: 383-391.


Castillo, D., M. K. Burger, C. M. Lively, and L. F. Delph. Experimental evolution: assortative mating and sexual selection, independent of local adaptation, lead to reproductive isolation in the nematode Caenorhabditis remanei. Evolution 69: 3141-3155.

Nista, P., A. N. Brothers, and L. F. Delph. Differences in style length confer prezygotic isolation between two dioecious species of Silene in sympatry. Ecology and Evolution 5: 2703-2711.

Fields, P., L. A. Weingartner, and L. F. Delph. 2015. Transcriptome resources for two highly divergent Silene latifolia populations. [Genomic Resources Notes].  Molecular Ecology Resources 15: 1014-1015.

Rausher, M. and L. F. Delph. When does understanding phenotypic evolution require identification of the underlying genes? Evolution 69: 1655-1664.


Montgomery, B., M. F. Bailey, G. G. Brown, and L. F. Delph. Evaluation of the cost of restoration of male fertility in Brassica napus. Botany 92: 847-853.

Penny, R. H. Sexual dimorphism in cryptically dioecious Thalictrum macrostylum. International Journal of Plant Sciences 175: 287-295.

Weingartner, L. A. and L. F. Delph. Neo-sex chromosome inheritance across species in Silene hybrids. Journal of Evolutionary Biology 27: 14491-1499.

Godé, C., P. Touzet, H. Martin, E. Lahiani, L. F. Delph, and J.-F. Arnaud. Characterization of 24 polymorphic microsatellite markers for Silene nutans, a gynodioecious-gynomonoecious species, and cross-species amplification in other Silene species. Conservation Genetics Resources DOI10.1007/s12686-014-0240-6.

Delph, L. F. and B. R. Montgomery. The evolutionary dynamics of gynodioecy in Lobelia. International Journal of Plant Sciences 175: 287-295.

Brothers, A. N. and J. W. Atwell. The role of pollinator-mediated selection in the divergence of floral traits between two closely related plant species. International Journal of Plant Sciences 175: 287-295.

Demuth, J. P., R. J. Flanagan, and L. F. Delph. Genetic architecture of isolation between two species of Silene with sex chromosome and Haldane's rule. Evolution 68: 332-342.

Delph, L. F. and J. K. Kelly. On the importance of balancing selection in plants. New Phytologist 201: 45-56.


Busch, J. W. and L. F. Delph. The relative importance of reproductive assurance and automatic selection as hypotheses for the evolution of self-fertilization. Annals of Botany 109: 553-562.

Delph, L. F. and C. R. Herlihy. Sexual, fecundity, and viability selection on flower size and number in a sexually dimorphic plant. Evolution 66: 1154-1166.

Burkhardt, A., B. J. Ridenhour, L. F. Delph, and G. Bernasconi. The contribution of a pollinating seed predator to selection on Silene latifolia females. Journal of Evolutionary Biology 25:461-472.

Soper, D. M., L. F. Delph, and C. M. Lively. Multiple paternity in the freshwater snail, Potamopyrgus antipodarum. Ecology and Evolution 2: 3179-3185.


Yu, Q., E. D. Ellen, M. J. Wade, and L. F. Delph. Genetic differences among populations in sexual dimorphism: evidence for selection on males in a dioecious plant. Journal of Evolutionary Biology 24: 1120-1127.

Penny, R. H., B. R. Montgomery, and L. F. Delph. Evidence for X-linkage of AP3A, a homolog of the Y-linked MADS-box gene AP3Y in Silene latifolia and S. dioica. PLoS ONE 6: e18972.

King, K., L. F. Delph, J. Jokela, and C. M. Lively. Coevolutionary hotspots and coldspots for host sex and parasite local adaptation in a snail-trematode interaction. Oikos 120: 1335-1340.

Otto, S. P., J. Pannell, C. Peichel, T.-L. Ashman, D. Charlesworth, A. Chippindale, L. F. Delph, R. Guerrero, S. Scarpino, and B. F. McAllister. About PAR: the distinct evolutionary dynamics of the Pseudoautosomal Region. Trends in Genetics 27: 358-367.

Delph, L. F., J. Andicoechea, J. C. Steven, C. R. Herlihy, S. V. Scarpino, and D. L. Bell. Environment-dependent intralocus sexual conflict in a dioecious plant. New Phytologist 192: 542-552.

Delph, L. F., J. C. Steven, I. A. Anderson, C. R. Herlihy, and E. D. Brodie III. Elmination of a genetic correlation between the sexes via artificial correlational selection. Evolution 65: 2872-2880.

Delph, L. F. Understanding what we see in nature: how to spend your life as an evolutionary ecologist. Evolution 65: 3027-3028.


Montgomery, B. R., D. M. Soper, and L. F. Delph. 2010. Asymmetrical conspecific seed-siring advantage between Silene latifolia and S. dioica. Annals of Botany 105: 595-605.

Delph, L. F. and M. A. Bailey. 2010. The nearness of you: the effect of population structure on siring success in a gynodioecious species. Molecular Ecology 19: 1520-1522.

Delph, L. F., A. M. Arntz, C. Scotti-Santiagne, and I. Scotti. 2010. The genomic architecture of sexual dimorphism in the dioecious plant Silene latifolia. Evolution 64: 2873-2886.

Brothers, A. N. and L. F. Delph. 2010. The generality of Haldane's rule is extended to plants with sex chromosomes. Evolution 64: 3643-3648.


Touzet, P. and L. F. Delph. 2009. The effect of breeding system on polymorphism in mitochondrial genes of Silene. Genetics 181: 631-644.

Delph, L.F. 2009. Sex allocation: evolution to and from dioecy. Current Biology 19: R249-R251.

Dykstra, A. M., M. T. Brock, L. F. Delph, and C. Weinig. 2009.  Sex-specific trade-offs and responses to foliar shade in the gynodioecious species Silene vulgaris (Caryophyllaceae). International Journal of Plant Sciences 170: 575-583.

Bernasconi, G.,  J. Antonovics, A. Biere, D. Charlesworth, L. F. Delph, D. Filatov, T. Giraud, M. E. Hood, G. A. B. Marais, D. McCauley, J. R. Pannell, J. A. Shykoff, B. Vyskot, L. Wolfe, and A. Widmer. 2009.  Silene as a model system in ecology and evolution.  Heredity 103: 5-14.

Burkhardt, A., L. F. Delph, and G. Bernasconi. 2009. Benefits and costs to pollinating, seed-eating insects: the effect of flower size and fruit abortion on larval performance. Oecologia 161: 87-98.

King, K., L. F. Delph, J. Jokela, and C. M. Lively. 2009. The geographic mosaic of sex and the Red Queen. Current Biology 19: 1438-1441.

Huang, S.-Q., Y. Lu, Y.-Z. Chen, and L. F. Delph. 2009. Parthenogenesis maintains male sterility in a gynodioecious orchid. American Naturalist 174: 578-584.

Herlihy, C. R. and L. F. Delph. 2009 Differential response of floral attractiveness and gametophyte production to stress in flower-size selection lines of Silene latifolia (Caryophyllaceae). International Journal of Plant Sciences 170: 1103-1108.


Delph, L. F. and D. Bell.  2008.  A test of the differential-plasticity hypothesis for variation in the degree of sexual dimorphism in Silene latifolia.  Evolutionary Ecology Research 10:61-75.

Lively, C. M., L. F. Delph, M. Dybdahl, and J. Jokela.  2008.  Experimental test of a coevolutionary hotspot in a host-parasite interaction.  Evolutionary Ecology Research  10:95-103.

Dybdahl, M. F., J. Jokela, L. F. Delph, B. Koskella, and C. M. Lively. 2008. Hybrid fitness in a locally adapted parasite.  American Naturalist 172: 772-782.


Delph, L. F., P. Touzet, M. F. Bailey.  2007.  Merging theory and mechanism in studies of gynodioecy. Trends in Ecology and Evolution 22:17-24.

Steven, J. C., L. F. Delph, and E. D. Brodie III.  2007.  Sexual dimorphism in the quantitative-genetic architecture of floral, leaf, and allocation traits in Silene latifolia.   Evolution 61:42-57.

F. M. Frey, L. F. Delph, B. Dinneen, and C. Twomey.  2007.  The evolution of sexually dimorphic flower production under sexual, fertility, and viability selection.  Evolutionary Ecology Research 9:1-19.

Delph, L. F.  2007.  The genetic integration of sexually dimorphic traits in the dioecious plant, Silene latifolia.  In Sex, Size and Gender Roles. Evolutionary Studies of Sexual Size Dimorphism (D. J. Fairbairn, W. U. Blanckenhorn, and T. Szekely, eds.).  Oxford University Press. Pp. 115-123.

Bailey, M. F. and L. F. Delph. 2007. Sex-ratio evolution in nuclear-cytoplasmic gynodioecy when restoration is a threshold trait. Genetics 176:2465-2476.

Mower, J. P., P. Touzet, J. S. Gummow, L. F. Delph, and J. D. Palmer. 2007. Extensive variation in synonymous substitution rates in mitochondrial genes of seed plants. BMC Evolutionary Biology 7:135.

Bailey, M. F. and L. F. Delph 2007. A field guide to models of sex-ratio evolution in gynodioecious species. Oikos 116:1609-1617.

Frey, F. M. 2007. Phenotypic integration and the potential for independent color evolution in a polymorphic spring ephemeral. American Journal of Botany 94:437-444.


Takebayashi, N, D. E. Wolf, and L. F. Delph.  2006.  Effect of variation in herkogamy on outcrossing within a population of Gilia achilleifolia.  Heredity 96:159-165.

Delph, L. F. and T.-L. Ashman.  2006.  Traits affecting mating success in flowering plants: harmony vs. opposition among traits and sex functions.  Integrative and Comparative Biology 46:465 - 472 .

Gehring, J. L. and L. F. Delph.  2006.  Experimental manipulation of source-sink ratio in females of Silene latifolia.  International Journal of Plant Sciences 167:843-851.

Scotti, I and L. F. Delph.  2006.  Selective trade-offs and sex-chromosome evolution in Silene latifolia.  Evolution 60: 1793-1800.

Delph, L. F., C. M. Lively, and C. J. Webb. 2006. Gynodioecy in native New Zealand Gaultheria (Ericaceae). New Zealand Journal of Botany 44: 415-420.

Busch, J. W.  2006.  Heterosis in an isolated, effectively small, and self-fertilizing population of the flowering plant Leavenworthia alabamica.  Evolution 60: 184-191.

Marr, D.  2006.  Seed fitness of hermaphrodites in areas with females and anther-smut disease: Silene acaulis and Microbotryum violaceum.  New Phytologist 169: 741-751.

Anderson, I. A. and J.W. Busch.  2006.  Relaxed pollinator-mediated selection weakens floral integration in self-compatible taxa of Leavenworthia (Brassicaceae).   American Journal of Botany 93: 860-867.


Delph, L. F. and D. E. Wolf. 2005. Evolutionary consequences of gender plasticity in genetically dimorphic breeding systems. New Phytologist 166: 119-128.

Marr, D. L. and L. F. Delph. 2005. Spatial and temporal pattern of a pollinator-transmitted pathogen in a long-lived perennial (Silene acaulis). Evolutionary Ecology Research 7: 335-352.

Davis, S. L. and L. F. Delph. 2005. Prior selfing and gynomonoecy in Silene noctiflora L. (Caryophyllaceae): opportunities for enhanced outcrossing and reproductive assurance. International Journal of Plant Sciences 166: 475-480. [Published by the University of Chicago Press: pdf]

Frey, F. M., R. Davis, and L. F. Delph. 2005. Manipulation of floral symmetry does not affect seed production in Impatiens pallida. International Journal of Plant Sciences 166: 659-662. [published by the University of Chicago Press: pdf]

Delph, L. F. 2005. Processes that constrain and facilitate the evolution of sexual dimorphism. American Naturalist 166:S1-S4.

Delph, L. F., J. L. Gehring, A. M. Artnz, M. Levri, and F. M. Frey. 2005. Genetic correlations with floral display lead to sexual dimorphism in the cost of reproduction. American Naturalist 166: S31-S41.

Busch, J. W.  2005.  The evolution of self-compatibility in geographically peripheral populations of Leavenworthia alabamica (Brassicaceae).  American Journal of Botany 92:1503-1512.

Weinig, C.  2005.  Rapid evolutionary responses to selection in heterogeneous environments among agricultural and nonagricultural weeds.  International Journal of Plant Sciences 166: 641-647.

Busch, J. W.  2005.  Inbreeding depression in self-incompatible and self-compatible populations of Leavenworthia alabamica.  Heredity 94:159-165.


Delph, L. F. 2004. Testing for sex differences in biparental inbreeding and its consequences in a gynodioecious species. American Journal of Botany 91: 45-51. [pdf]

Delph, L. F., J. L. Gehring, F. M. Frey, A. M. Artnz, and M. Levri. 2004. Genetic constraints on floral evolution in a sexually dimorphic plant revealed by artificial selection. Evolution 58: 1936-1946. [pdf]

Lively, C. M., M. F. Dybdahl, J. Jokela, E. E. Osnas, and L. F. Delph. 2004. Host sex and local adaptation by parasites in a snail-trematode interaction. American Naturalist 164: S6-S18. [pdf]

Delph, L. F., F. M. Frey, J. C. Steven, and J. L. Gehring. 2004. Investigating the independent evolution of the size of floral parts via G-matrix estimation and artificial selection. Evolution and Development 6: 438-448.

Gehring, J. L., J. Scoby, M. Parsons, and L. F. Delph. 2004. Whole-plant investment in nectar is higher in males than in pollinated females in the dioecious plant Silene latifolia. Evolutionary Ecology Research 6: 1237-1252.

Frey, F. M.  2004. Opposing natural selection from herbivores and pathogens may maintain floral-color variation in Claytonia virginica (Portulacaceae). Evolution 58: 2426-2437.


Delph, L. F. 2003. Sexual dimorphism in gender plasticity and its consequences for breeding-system evolution. Evolution and Development 5: 34-39.

Delph, L. F. and P. Mutikainen. 2003. Tests of why maternal gender affects offspring performance in a gynodioecious species. Evolution 57: 231-239. [pdf]

Bailey, M. F., L. F. Delph, and C. M. Lively. 2003. Modeling gynodioecy: novel scenarios maintaining polymorphism. American Naturalist 161: 762-776. [pdf]


Delph, L. F. 2002. Plant mating systems. Encyclopedia of Evolution. Oxford University Press, NY.

Arntz, A. M., E. M. Vozar, and L. F. Delph. 2002. Serial adjustments in allocation to reproduction: effects of photosynthetic genotype. International Journal of Plant Sciences 163: 591-597. [Published by the University of Chicago Press: pdf]

Städler, T. and L. F. Delph. 2002. Ancient mitochondrial haplotypes and evidence for intragenic recombination in a gynodioecious plant. Proceedings of the National Academy of Sciences USA 99: 11730-11735.

Delph, L. F., F. N. Knapczyk, and D. R. Taylor. 2002. Among-population variation and correlations in sexually dimorphic traits of Silene latifolia. Journal of Evolutionary Biology 15: 1011-1020. [pdf]

Bailey, M. F.  2002.  A cost of restoration of male fertility in a gynodioecious species, Lobelia siphilitica.  Evolution 56: 2178-2186.

Weinig, C.  2002.  Phytochrome photoreceptors mediate plasticity to light quality in flowers of the Brassicaceae.  American Journal of Botany 89: 230-235.

Davis, S. L.  2002.  Allocation to floral structures in Thalictrum pubescens (Ranunculaceae), a cryptically dioecious species.  Annals of Botany 90:119-126.


Delph, L. F. and S. B. Carroll. 2001. Factors affecting relative seed fitness and female frequency in a gynodioecious species (Silene acaulis). Evolutionary Ecology Research 3: 487-505. [pdf]

Artnz, A. M. and L. F. Delph. 2001. Pattern and process: evidence for the evolution of photosynthetic traits in natural populations. Oecologia 127:455-467.

Dudle, D., P. Mutikainen, and L. F. Delph. 2001. Genetics of sex determination in the gynodioecious species Lobelia siphilitica: evidence from two populations. Heredity 86: 265-276.

Weinig, C and L. F. Delph. 2001. Plasticity expressed early in life constrains developmental responses later in life. Evolution 55: 930-936. [pdf]

Delph, L. F. 2001. Mutated into oblivion. Science 292 (5526): 2437-2438 (invited book review)

Meagher, T. R. and L. F. Delph. 2001. Individual flower demography, floral phenology, and floral display size in Silene latifolia. Evolutionary Ecology Research 3: 845-860. [pdf]


Takebayashi, N. and L. F. Delph. 2000. An association between a floral trait and inbreeding depression. Evolution 54: 840-846. [pdf]

Raimondi, P. T., S. E. Forde, L. F. Delph, and C. M. Lively. 2000. Processes structuring communities: evidence for trait-mediated indirect effects through induced polymorphisms. Oikos 91: 353-361

Weinig, C.  2000.  Differing selection in alternative competitive environments: shade-avoidance responses and germination timing.  Evolution 54: 124-136.

Weinig, C.  2000.  Plasticity versus canalization: population differences in the timing of shade-avoidance responses.  Evolution 54: 441-451.

Weinig, C.  2000.  Limits to adaptive plasticity: temperature and photoperiod influence plant competitive responses.  American Journal of Botany 87: 1660-1668.