Grove, S, KA Haubensak, and IM Parker. 2012. Direct and indirect effects of allelopathy in the soil legacy of an exotic plant invasion.  Plant Ecology, DOI 10.1007/s11258-012-0079-4.

Swope, SM and IM Parker. Complex interactions among biocontrol agents, pollinators and an invasive weed: A structural equation modeling approach.  Ecological Applications, in press.

Gonzalez-Muñoz, N., Castro-Díez, P., and I.M. Parker.  2012. Differences in nitrogen use strategies between native and exotic tree species: predicting impacts on invaded ecosystems.  Plant and Soil, DOI 10.1007/s11104-012-1329-x.

Drenovsky, RE, BJ Grewell, CM D’Antonio, JL Funk, JJ James, N Molinari, IM Parker, and CL Richards. 2012.  A functional trait perspective on plant invasion.  Annals of Botany 141–153, 2012.

Petersen, JJ, IM Parker, and D Potter. 2012. Origins and close relatives of a semi-domesticated neotropical fruit tree: Chrysophyllum cainito L. (Sapotaceae). American Journal of Botany 99(3): 585-604.

Parker, IM, I López, JJ Petersen, N Anaya, L Cubilla-Rios, and D Potter. 2010. Domestication syndrome in caimito (Chrysophyllum cainito L.): Fruit and seed characteristics. Economic Botany 64(2):161-175.

Swope, SM and IM Parker. 2010. Complex trait-mediated interactions and lifetime fitness of the invasive plant Centaurea solstitialis. Ecology 91:2284-2293.

Swope, SM and IM Parker. 2010. Widespread seed limitation affects plant density but not population trajectory in the invasive plant Centaurea solstitialis.  Oecologia 164:117-128.

Gilbert, GS and IM Parker. 2010. Rapid evolution in a plant-pathogen interaction and the consequences for introduced host species. Evolutionary Applications 3:144-156.

Gilbert, GS, E Howard, B Ayala-Orozco, M Bonilla-Moheno, J Cummings, S Langridge, IM. Parker, J Pasari, D Schweizer, and S Swope.  2010. Beyond the tropics: forest structure in a temperate forest mapped plot. Journal of Vegetation Science 21:388-405.

Kao, RH and IM Parker. 2010. Coexisting cytotypes of Arnica cordifolia: Morphological differentiation and local scale distribution. International Journal of Plant Sciences 171:81-89.

Cuevas García, E, IM Parker, and F Molina-Freaner. 2008. Variation in sex ratio, morph-specific reproductive ecology, and an experimental test of frequency-dependence in the gynodioecious Kallstroemia grandiflora (Zygophyllaceae).  Journal of Evolutionary Biology 21:1117-1124.

Dlugosch, KM and IM Parker. 2008. Invading populations of an ornamental shrub show rapid life history evolution despite severe genetic bottlenecks. Ecology Letters, 11: 701-709.

Dlugosch, KM and IM Parker. 2008. Founding events in species invasions: Genetic variation, adaptive evolution, and the role of multiple introductions.  Molecular Ecology 17(1):431-449.

Gilbert, GS and IM Parker. 2008. Porroca, an emerging disease of coconut in Central America. Plant Disease 92(5):826-830.

Dlugosch, KM and IM Parker. 2007. Molecular and quantitative trait variation across the native range of the invasive species Hypericum canariense: evidence for ancient patterns of colonization via pre-adaptation? Molecular Ecology 16(20):4269-4283.

Parker, IM and GS Gilbert. 2007. When there is no escape: the effects of natural enemies on native, invasive, and noninvasive plants.  Ecology 88(5):1210-1224.

Morris, WF, RA Hufbauer, AA Agrawal, JD Bever, VA Borowicz, GS Gilbert, JL Maron, CE Mitchell, IM Parker, AG Power, ME Torchin, DP Vázquez. 2007. Direct and interactive effects of enemies and mutualists on plant performance: a meta-analysis. Ecology 88(4):1021-1029.

Gilbert, GS and IM Parker. 2006. Invasions and the Regulation of Plant Populations by Pathogens. Conceptual Ecology and Invasions Biology: Reciprocal approaches to nature. M. Caddotte, S. McMahon and T. Fukami, Kluwer Academic Press. pp.302-315.

Mitchell, CE, AA Agrawal, JD Bever, GS Gilbert, RA Hufbauer, JN Klironomos, JL Maron, WF Morris, IM Parker, AG Power, EW Seabloom, ME Torchin, DP Vázquez. 2006. Biotic interactions and plant invasions. Ecology Letters 9(6):726-740.

Parker, MA, W. Malek, and IM Parker. 2006. Growth of an invasive legume is symbiont-limited in newly occupied habitats. Diversity and Distributions 12(5):563-571.

Simberloff, D., I.M. Parker, and P.N. Windle. 2005. Introduced species policy, management, and future research needs. Frontiers in Ecology and the Environment 3(1):12-20.

Parker, I.M. 2005. Understanding the impacts of nonnative species (Box 9.1). In: Groom, M.J., G.K. Meffe and C.R. Carroll, eds, Principles of Conservation Biology; pp. 305-6.

Parker, I. M. 2004.  Mating patterns and rates of invasion.  Proceedings of the National Academy of Sciences 101(38):13605-13606.

Parker, I.M. and G.S. Gilbert. 2004. The evolutionary ecology of novel plant-pathogen interactions. Annual Review of Ecology, Evolution and Systematics 35:675-700.

Neubert, M.G. and Parker, I.M. 2004. Using integrodifference equations to project rates of spread for invasive species. Risk Analysis 24(4): 817-831.

Haubensak, K.A. and Parker, I.M. 2004. Soil changes accompanying invasion of the exotic shrub Cytisus scoparius in glacial outwash prairies of western Washington [USA]. Plant Ecology 175: 71–79.

Beckstead, J. and Parker, I.M. 2003. Invasiveness of Ammophila arenaria: release from soil-borne pathogens? Ecology 84(1):2824-2831.

Bradley, D.J., Gilbert, G. S. and Parker, I.M. 2003. Susceptibility of clover species to fungal infection: the interaction of leaf surface traits and environment. American Journal of Botany 90:857-864.

Parker, I. M., Rodriguez, J. and Loik, M. E. 2003. An evolutionary approach to understanding the biology of invasions: local adaptation and general purpose genotype in the weed Verbascum thapsus. Conservation Biology 17(1): 59-72.

Parker, I.M., Engel, A., Haubensak, K.A., and Goodell, K. 2002. Pollination of Cytisus scoparius and Genista monspessulana, two invasive shrubs in California. Madroño 49:25-32.

Byers, J.E., Reichard, S., Smith, C.S., Parker, I.M., Randall, J.M., Lonsdale, W.M., Atkinson, I.A.E., Seasted, T., Chornesky, E., Hayes, D., Williamson, M. 2002. Directing research to reduce the impacts of non-indigenous invasive species. Conservation Biology 16(3):630-640.

Parker, I.M. and Haubensak, K.A. 2002. Comparative pollinator limitation of two non-native shrubs: Do mutualisms influence invasions? Oecologia 130:250-258.

Hayden K.A. and Parker, I.M. 2002. Plasticity in cyanogenesis of Trifolium repens L: Inducibility, fitness costs and variable expression. Evolutionary Ecology Research 4:155-168.

Parker, I.M. 2002 Invasion Ecology.  In:  McGraw-Hill Encyclopedia of Science and Technology, 9th Edition, Volume 9.

Parker, I.M. 2001. Safe site and seed limitation in Cytisus scoparius: Invasibility, disturbance, and the role of cryptogams in a glacial outwash prairie. Biological Invasions 3(4): 323-332.

Sakai, A.K., Weller, S.G., Allendorf, F.W., Holt, J.S., Lodge, D.M., Molofsky, J., With, K.A., Baughman, S., Cabin, R.J., Cohen, J.E., Ellstrand, N.C., McCauley, D.E., O'Neil, P., Parker, I.M., and Thompson, J.N. 2001. The Population Biology of Invasive Species. Annual Review of Ecology and Systematics. 32:305–32.

Parker, I.M. 2000. Invasion dynamics of Cytisus scoparius: A matrix model approach. Ecological Applications10(3):726-743.

Goodell, K., Parker, I.M., and Gilbert, G.S. 2000. Biological impacts of species invasions: implications for policymakers. In:   Incorporating Science, Economics, and Sociology in Developing Sanitary and Phytosanitary Standards in International Trade, National Research Council of the United States, ed. National Academy of Sciences Press:  Washington; pp. 87-117.

Parker, I.M., Simberloff,  D., Lonsdale, W.M., Goodell, K., Wonham, M., Kareiva, P.M., Williamson, M.H., Von Holle, B. Moyle, P.B. Byers, J.E., and Goldwasser, L. 1999. Impact: Toward a framework for understanding the ecological effects of invaders. Biological Invasions 1(1):3-19.

Parker, I.M. and Reichard, S.H. 1998. Critical issues in invasion biology for conservation science.  In:  Conservation Biology. P.L. Fiedler and P.M. Kareiva, eds. Chapman Hall; pp. 283-305.

Parker, I.M. 1997. Pollinator limitation of Cytisus scoparis (Scotch Broom), an invasive exotic shrub. Ecology 78:1457-70.

Parker, I.M., Harpole, W.S., and Dionne, D. 1997. Plant community diversity and invasion of the exotic shrub Cytisus scoparius: testing hypotheses of invasibility and impact.  In:  Ecology and Conservation of the South Puget Sound Prairie Landscape. P.V. Dunn, and K. Ewing, eds.,  The Nature Conservancy Press:  Seattle; pp. 149-162.

Kareiva, P., Parker, I.M., and Pascual, M.  1996.  Can we use experiments and models in predicting the invasiveness of genetically engineered organisms?  Ecology 77(6):1670-1675.

Parker, I.M., and Kareiva, P.  1996.  Assessing the risks of invasion for genetically engineered plants: acceptable evidence and reasonable doubt.  Biological Conservation 78:193-203.

Parker, I.M., and Bartsch, D.  1996.  Recent advances in ecological biosafety research on the risks of transgenic plants: a trans-continental perspective.  In:  Transgenic Organisms: Biological and Social Implications. J. Tomiuk, K. Wöhrmann, and A. Sentker, eds.  Birkhäuser Verlag:  Basel. pp; 147-161.

Ruesink, J.L., Parker, I.M., Groom, M.J., and Kareiva, P.  1995.  Guilty until proven innocent: Reducing the risks of non-indigenous species introductions.  Bioscience 45(7):465-477.

Parker, I.M., Nakamura, R., and Schemske, D.W.  1995.  Inbreeding depression in two sympatric species of Epilobium (Onagraceae) with contrasting mating systems.  The American Journal of Botany 82(8):1007-1016.

Schemske, D.W., Husband, B.C., Ruckelshaus, M.H., Goodwillie, C., Parker, I.M., and Bishop, J.  1994.  Evaluating approaches to the conservation of rare and endangered plants.  Ecology 75(3):584-606.

Parker, I.M. and Kareiva, P. 1994. Assessing the risk of invasion in genetically modified crops: An ecological perspective.  In:  The Biosafety Results of Field Tests of Genetically Modified Plants and Microorganisms. D.D. Jones, ed.  University of California Division of Agriculture and Natural Resources; pp. 467-470.

Parker, I.M., Mertens, S.K., and Schemske, D.W.  1993.  Distribution of seven native and two exotic plants in a tallgrass prairie in southeastern Wisconsin: the importance of human disturbance.  The American Midland Naturalist 130(1):43-55.