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Molecular Ecology

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Raguso, R.A., Thompson, J.N. and D.R. Campbell. 2015. Improving our chemistry: Challenges and opportunities in the interdisciplinary study of floral volatiles. Natural Products Reports, in press.

Bischoff, M., R.A. Raguso, A. Jurgens and D.R. Campbell. 2015. Context-dependent reproductive isolation mediated by floral scent and color. Evolution 69: 1-13.


Campbell, D.R., M. Forster, and M. Bischoff. 2014. Selection of trait combinations through bee and fly visitation to flowers of Polemonium foliosissimum, Journal of Evolutionary Biology 27: 325-336.

Bruckman, D. and D.R. Campbell. 2014. Floral neighborhood influences pollinator assemblages and effective pollination in a native plant. Oecologia 176: 465-476.

Bischoff, D.R., A. Jurgens, and D.R. Campbell. 2014. Floral scent in natural hybrids of Ipomopsis (Polemoniaceae) and their parental species, Annals of Botany 113: 533-544.


Campbell, D.R. and M. Bischoff. 2013. Selection for a floral trait is not mediated by pollen receipt even though seed set in the population is pollen-limited. Functional Ecology 27: 1117-1125.

Campbell, D.R. and C. Wendtlandt. 2013. Altered precipitation affects plant hybrids differently than their parental species. American Journal of Botany 100: 1322-1331.

Sakai, A.K., S.G. Weller, D.R. Campbell, T.M. Culley, A.K. Dunbar-Wallis, and A. Andres. 2013. Measure for measure: comparing morphological and biomass traits for sex allocation in two gynodioecious species. American Journal of Botany 100: 1071-1082.

Bischoff, M., D.R. Campbell, J. M. Lord, and A. W. Robertson. 2013. The relative importance of solitary bees and syrphid flies as pollinators of two outcrossing plant species in the New Zealand alpine. Austral Ecology 38: 169-176.

Campbell, D.R. and C.A. Wu. 2013. Geographical variation in hybridization of Ipomopsis (Polemoniaceae): Testing the role of photosynthetic responses to temperature and water. International Journal of Plant Sciences 174: 57-64.


Campbell, D.R., M. Bischoff, A.W. Robertson, and J.M. Lord. 2012. Where have all the blue flowers gone: Pollinator responses and selection on flower colour in New Zealand Wahlenbergia albomarginata. Journal of Evolutionary Biology 25: 352-364.


Pohl, N.B., J. Van Wyk, and D.R. Campbell. 2011. Butterflies show flower colour preferences but not constancy when foraging at four plant species. Ecological Entomology 36: 290-300.

Campbell, D.R., S.G. Weller, A.K. Sakai, T.M. Culley, P.N. Dang, and A.K Dunbar-Wallis. 2011. Genetic variation and covariation in floral allocation of two species of Schiedea with contrasting levels of sexual dimorphism. Evolution 65: 757-770.


Waser, N.M., D.R. Campbell, MV. Price, and A.K. Brody. 2010. Density-dependent demographic responses of a semelparous plant to natural variation in seed rain. Oikos 119: 1929-1935. [PDF]

Campbell, D.R., M. Bischoff, J. Lord, and A.W. Robertson. 2010. Flower color influences insect visitation in alpine New Zealand. Ecology 91: 2638-2649. [PDF]

Campbell, D.R., Wu, C.A. and S.E. Travers. 2010. Photosynthetic and growth responses of reciprocal hybrids to variation in water and nitrogen availability. American Journal of Botany 97: 925-933. [PDF]


Campbell, D.R. 2009. Using phenotypic manipulations to study  multivariate selection of floral trait associations. Annals of Botany 103: 1557-1566. [PDF].

Aldridge, G. and D.R. Campbell. 2009. Genetic and morphological patterns show variation in frequency of hybrids between Ipomopsis zones of sympatry. Heredity 102: 257-265.[PDF]

Kimball, S. and D.R. Campbell. 2009. Physiological differences between two species of Penstemon and their hybrids in field and common garden environments. New Phytologist 181: 478-488.[PDF]


Kimball, S., D.R. Campbell, and C. Lessin. 2008. Differential performance of reciprocal hybrids in multiple environments. Journal of Ecology 96:1306-1318.

Campbell, D.R., N.M. Waser, G. Aldridge, and C.A. Wu. 2008. Lifetime fitness in two generations of Ipomopsis hybrids. Evolution 62: 2616-2627. [PDF]

Campbell, D.R. 2008. Pollinator shifts and the origin and loss of plant species. Annals of the Missouri Botanical Garden 95: 264-274. [PDF]

Price, M.V., D.R. Campbell, N.M. Waser, and A.K. Brody. 2008. Bridging the generation gap in plants: pollination, parental fecundity, and offspring demography. Ecology 89: 1596-1604. [PDF]

Sakai, A.K., S. G. Weller, T. M. Culley, D.R. Campbell, A.K. Dunbar-Wallis, A.K., and A. Andres. 2008.  Sexual dimorphism and the genetic potential for evolution of sex allocation in the gynodioecious plant, Schiedea salicaria. Journal of Evolutionary Biology 21: 18-29.

Reithel, J.R. and D.R. Campbell. 2008. Effects of aggregation size and host plant on the survival of an ant-tended membracid (Hemiptera: Membracidae): Potential roles in selecting for generalized host plant use. Annals of the Entomological Society of America 101: 70-78. [PDF]


Wu, C.A. and D.R. Campbell.  2007. Leaf physiology reflects environmental differences and cytoplasmic background in Ipomopsis (Polemoniaceae) hybrids. American Journal of Botany 94: 1804-1812. [PDF]

Weller, S.G., Sakai, A.K., Culley, T.M., Campbell, D.R., Ngo, P, and A.K. Dunbar-Wallis. 2007.  Sexually dimorphic inflorescence traits in a wind-pollinated species: heritabilities and genetic correlations in Schiedea adamantis (Caryophyllaceae). American Journal of Botany 94: 1716-1725. [PDF]

Aldridge, G. and D.R. Campbell. 2007. Variation in pollinator preference between two Ipomopsis contact sites that differ in hybridization rate.  Evolution 61: 99-110. [PDF]

Campbell, D.R. and N.M. Waser. 2007. Evolutionary dynamics of an Ipomopsis hybrid zone: confronting models with lifetime fitness data. American Naturalist 169: 298-310. [PDF]


Aldridge, G. and D.R. Campbell. 2006. Asymmetrical pollen success in Ipomopsis (Polemoniaceae) contact sites.  American Journal of Botany 93: 903-909. [PDF]

Campbell, D.R. and G. Aldridge.  2006.  Floral biology in hybrid zones.  In Harder L. and Barrett S (ed.) Ecology and Evolution of Flowers.  Oxford University Press, Oxford. [PDF]

Wu, C.A. and D. R. Campbell. 2006. Environmental stressors differentially affect leaf ecophysiological responses in two Ipomopsis  species and their hybrids.  Oecologia 148: 202-212. [PDF]

Culley, T.M., A.K. Dunbar-Wallis, A.K. Sakai. S.G. Weller, M. Mishio, D.R. Campbell, and  M. Herzenach.  2006.  Genetic variation of ecophysiological traits in two gynodioecious species of Schiedea (Caryophyllaceae). New Phytologist 169: 589-601. [PDF]


Knight, T.M., J.A. Steets, J.C. Vamosi, S.J. Mazer, M. Burd, D.R. Campbell, M.R. Dudash, M.O. Johnston, R.J. Mitchell, and T.L. Ashman. 2005. Pollen limitation of plant reproduction: pattern and process. Annual Review of Ecology, Evolution and Systematics 36: 467-497

Weller, S.G., A.K. Sakai, T.M. Culley, D.R. Campbell, and A.K. Dunbar-Wallis. 2005. Predicting the pathway to wind pollination: Heritabilities and genetic correlations of inflorescence traits associated with wind pollination in Schidea salicaria (Caryophyllaceae). Journal of Evolutionary Biology 19: 331-342.

Campbell, D.R., C.A. Wu, and C. Galen.  2005.  Ecophysiology of first and second generation hybrids in a natural plant hybrid zone.  Oecologia 144: 214-225. [PDF]

Price, M.V., Waser, N.M., Irwin, R.E., Campbell, D.R., and A.K. Brody.  2005.  Temporal and spatial variation in pollination of a montane herb: a seven-year study. Ecology 86: 2106-2116. 

Wu, C.A. and D.R. Campbell.  2005.  Cytoplasmic and nuclear markers reveal contrasting patterns of spatial genetic structure in a natural Ipomopsis hybrid zone.  Molecular Ecology 14: 781-792.

Selected Older Publications

Ashman, T., T.M. Knight, J. Steets, P. Amarasekare, M. Burd, D.R. Campbell, M.R. Dudash, M.O. Johnston, S.J. Mazer, R.J. Mitchell, M.T. Morgan, and W.G. Wilson.  2004. Pollen limitation of plant reproduction: Ecological and evolutionary causes and consequences. Ecology 85:2408-2421.

Campbell, D.R. 2004. Natural selection in Ipomopsis hybrid zones: implications for ecological speciation.  New Phytologist 161: 83-90.

Campbell, D.R. and N.M. Waser.  2001.  Genotype by environment interaction and the fitness of plant hybrids in the wild.  Evolution 55:669-676.

Campbell, D.R.  2000.  Experimental tests of sex allocation theory in plants.  Trends in Ecology and Evolution 15: 227-231.

Sork, V. L., J. Nason, D. R. Campbell, and J. F. Fernandez-M.  1999.  Landscape approaches to historical and contemporary gene flow in plants.  Trends in Ecology and Evolution 14: 219-223.

Meléndez-Ackerman, E., and D. R. Campbell.  1998.  Adaptive significance of flower color and inter-trait correlations in an Ipomopsis hybrid zone.  Evolution 52: 1293-1303.

Campbell, D. R., N. M. Waser, and E. J. Meléndez-Ackerman.  1997.  Analyzing pollinator-mediated selection in a plant hybrid zone:  hummingbird visitation patterns on three spatial scales.  American Naturalist 149: 295-315. 

Campbell, D. R.  1996.  Evolution of floral traits in a hermaphroditic plant:  field measurements of heritabilities and genetic correlations.  Evolution 50: 1442-1453.

Campbell, D. R., N. M. Waser, and M. V. Price.  1996.  Mechanisms of hummingbird- mediated selection for flower width in Ipomopsis aggregata.  Ecology 77: 1463-1472.

Campbell, D. R. and K. J. Halama.  1993.  Resource and pollen limitations to lifetime seed production in a natural plant population.  Ecology 74: 1043-1051.

Campbell, D.R., N.M. Waser, M.V. Price, E.A. Lynch, and R.J. Mitchell.  1991. Components of phenotypic selection:  pollen export and flower corolla width in Ipomopsis aggregata.  Evolution 45: 1458-1467.

Campbell, D.R.  1989.  Measurements of selection in a hermaphroditic plant:  variation in male and female pollination success.  Evolution 43: 318-334.

Campbell, D.R.  1985.  Pollinator sharing and seed set of Stellaria pubera:  competition for pollination.  Ecology 66: 544-553.