Underlining indicates authors who were undergraduates at the time the study occurred.
- Ryan, W. H., E. S. Gornish, L. Christenson, S. L. Halpern, S. Henderson, G. LeBuhn, and T. E. Miller. 2017. A toolbox for initiating and managing long-term data collections with students and citizen scientists. American Biology Teacher 79(1): 28-34.
- Kim. T.N., B.J. Spiesman, A.L. Buchanan, A.S. Hakes, S.L. Halpern, B.D. Inouye, A. Kilanowski, N. Kortessis, D.W. McNutt, A.C. Merwin, and N. Underwood. 2015. Selective manipulation of a non-dominant plant and its herbivores influences an old-field plant community. Plant Ecology 216:1029–1045 DOI: 10.1007/s11258-015-0487-3
- Halpern, S. L., D. M. Bednar‡, A. Chisholm‡, and N. Underwood. 2014. Plant-mediated effects of host plant density on a specialist herbivore of Solanum carolinense. Ecological Entomology: 39: 217-225 DOI: 10.1111/een.12088
- McNutt, D.W., S.L. Halpern, K. Barrows‡, and N. Underwood. 2012. Intraspecific competition increases the evolutionary potential of tolerance to insect herbivory in the perennial plant Solanum carolinense. Oecologia. 17(4): 1033-1044. DOI 10.1007/s00442-012-2377-x
- Underwood, N. and S. L. Halpern. 2012. Insect herbivores, density dependence, and the performance of the perennial herb Solanum carolinense. Ecology 93(5): 1026-1035.
- Underwood, N., S. L. Halpern, and Klein, C.‡ 2011. Effect of host plant genotype and neighboring plants on strawberry aphid movement in the greenhouse and field. The American Midland Naturalist 165(1): 38-49.
- Halpern, S. L., L. S. Adler, and M. Wink. 2010. Leaf herbivory and drought stress affect floral attractive and defensive traits in Nicotiana quadrivalvis. Oecologia 163: 961-971. doi:10.1007/s00442-010-1651-z
- Burns, J. H., S. L. Halpern, and A. A. Winn. 2007. Do low-quality environments limit the advantages of opportunism in invasive species? Biological Invasions 9: 213-225.
- Halpern, S. L.* and N. Underwood*. 2006. Approaches for testing assumptions about the role of herbivores in plant population dynamics. Journal of Applied Ecology 43: 922-929.
- Halpern, S. L. 2005. Sources and consequences of variation in seed size in Lupinus perennis (Fabaceae): Adaptive and non-adaptive hypotheses. American Journal of Botany 92(2): 205-213.
- McKone, M.M. and S. L. Halpern. 2003. The evolution of androgenesis. The American Naturalist 161(4): 641-656.
- Paciorek, C.*, B. Moyer*, R. Levin*, and S. L. Halpern*. 1995. Pollen consumption by the hummingbird flower mite Proctolaelaps kirmsei and possible fitness effects on Hamelia patens. Biotropica 27(2): 258-262.
*co-authors contributed equally
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