Biology: Dr. Michaels
Dr. Helen J. Michaels

 

Dr. Helen J. Michaels

Ph. D., University of Illinois, Urbana-Champaign
   
Office:     330C Life Sciences Building
Phone:   1-419-372-2644
Email:     hmichae@bgsu.edu
   
Research:
Evolution and ecology of plant mating systems; ecological genetics
   

Research and Teaching Page


Research Interests:

Conservation biology, conservation genetics, restoration, molecular ecology, molecular systematics & evolution, plant-pollinator interactions, plant physiological and evolutionary ecology.

Specific Projects:

Effects of population size on phenotypic plasticity, effects of population size and habitat structure on genetic variation, pollination, and fitness of Lupine (Lupinus perennis). Ecology and evolution of sexual and asexual plants; evolution and conservation genetics of Hawaiian geraniums.

Selected Publications:

Kappler, R.H., H.J. Michaels and K.V. Root. 2012. Impact of mice seed predation on wild lupine in and near oak savanns. American Midland Naturalist. In press.

Michaels, H.J., X.J. Shi and R.J. Mitchell, 2008. Effects of population size on performance and inbreeding depression in Lupinus perennis. Oecologia 154(4): 651-661.

Bernhardt, C.E., R.J. Mitchell and H.J. Michaels. 2008. Effects of population size and density on pollinator visitation, pollinator behavior, and pollen tube abundance in Lupinus perennis. International Journal of Plant Sciences 169: 944-953.

Michaels, H.J., X.J. Shi and R.J. Mitchell. 2008. Effects of population size on performance and inbreeding depression in Lupinus perennis. Oecologia 154(4):651-61.

Shi X., H.J. Michaels and R.J. Mitchell. 2005. The effects of self-pollination and resource addition on offspring performance in wild lupine, Lupinus perennis. Sexual Plant Reproduction 18: 55-64.

Silveri, A., P. Dunwiddie and H.J. Michaels. 2001. A logging-facilitated invasion of Celastrus orbiculatus (Oriental bittersweet) in a rich mesic forest in Massachusetts. Biological Invasions 3(4): 379-389.

Cartwright, C.A., and H.J. Michaels. 1997. Interpopulation variation in fitness in Lupinus perennis. American Journal of Botany 84(6):98.

Pax, D.L., R.A. Price and H.J. Michaels. 1997. Phylogenetic position of the Hawaiian Geraniums based on rbcL sequences. American Journal of Botany 84(1): 72-78.

Freeman, D.C., B.A. Wachocki, M.J. Stender, D.E. Goldschlag and H.J. Michaels. 1994. The influence of seed size on sex ratio in spinach: application of the Trivers-Willard hypothesis to plants. Ecoscience 1(1):54-63.

Chase, M.W., H.J. Michaels, et al. 1993. Phylogenetics of seed plants: an analysis of nucleotide sequences from the plastid gene rbcL. Annals of the Missouri Botanical Garden 80(3): 528-548.

Michaels, H.J., K. Scott, R.G. Olmstead, T. Szaro, R.K. Jansen, and J.D. Palmer. 1993. Interfamilial relationships of the Asteraceae: Insights from rbcL sequences. Annals of the Missouri Botanical Garden 3: 742-751.

Jansen, R.K., H.J. Michaels, R.S., Wallace, K.J. Kim, S.C. Keeley, L.E. Watson, and J.D. Palmer. 1992. Chloroplast DNA variation in the Asteraceae: Phylogenetic and evolutionary implications. In: Soltis, P.S., D.E. Soltis and J.J. Doyle (eds.), Molecular Systematics of Plants. Chapman and Hall, NY.