Ph. D., University of Illinois, Urbana-Champaign

   

Office:     330C Life Sciences Building

Phone:   1-419-372-2644

Email:     hmichae@bgnet.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.

Research Projects:

• Interpopulation Variation in Lupinus Perennis, The Wild Lupine
• The Effect of Flowering Phenology on Reproduction in Lupinus Perennis
• The Effects of Self-Pollination and Resource Addition on Reproduction in Wild Lupine
• Multiple Indicators of Population and Family Level Variation in the Oak Savanna Perennial Lupinus Perennis (Fabaceae)
• Germination Preferences and Effects of Micro-Site Variation on Lupinus Perennis Establishment in Oak Savanna
• The Effects Of Self-Pollination And Resource Addition On Reproduction In Wild Lupine
• The Effects of a Light Gradient on Seedling Establishment in an Oak Savanna Restoration.
• Effects of Multiple Visits by Carpenter Bees, Xylocopa virginica on Seed Set of Wild Lupine, Lupinus perennis (Fabaceae)
• The Effect of Population Size on Phenotypic Plasticity in a Threatened Plant Species

 

Selected Publications:

Shi X., H.J. Michaels and R.J. Mitchell. Inbreeding depression in Wild Lupine: Does population size matter? (in prep.)

Hausman, C., and H.J. Michaels. The effects of a light gradient on seedling establishment in an oak savanna restoration. (in prep.)

Kelly, S.D., and H.J. Michaels. Germination preferences and effects of micro-site variation on Lupinus perennis establishment in an oak savanna. (in prep).

Michaels, H.J. and C.A. Cartwright. The effects of population size and environmental factors on reproduction in Lupinus perennis (Fabaceae). (in review)

Michaels, H.J., X.J. Shi and R.J. Mitchell. Effects of population size on performance and inbreeding depression in Lupinus perennis. Oecologia (in press).

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.

Kim, K.J., R.K. Jansen, R.S. Wallace, H.J. Michaels, and J.D. Palmer. 1992. Phylogenetic implications of rbcl sequence variation in the Asteraceae. Annals of the Missouri Botanic Garden 79: 428-445.

Olmstead, R.G., H.J. Michaels, K. Scott, and J.D. Palmer. 1992. Monophyly of the Asteridae and identification of its major lineages inferred from rbcL sequences. Annals of the Miss. Bot. Garden 79: 249-265.

Jansen, R.K., H.J. Michaels, and J.D. Palmer. 1991. Phylogeny and character evolution in the Asteraceae based on chloroplast DNA restricti on site mapping. Systematic Botany 16: 98-115.

Jansen, R.K., K.E. Holsinger, H.J. Michaels, and J.D. Palmer. 1990. Phylogenetic analysis of chloroplast DNA restriction site data at higher taxonomic levels: An example from the Asteraceae. Evolution 44: 2089-2105.

Olmstead, R.G., R.K. Jansen, H.J. Michaels, S.R. Downie and J.D. Palmer. 1990. Chloroplast DNA and phylogenetic studies in the Asteridae. Pp. 119-134 In: S. Kawano (ed.), Biological Approaches and Evolutionary Trends in Plants. Academic Press.

Willson, M.F., H.J. Michaels, R.I. Bertin, B. Benner, S. Rice, T.D. Lee and A.P. Hartgerink. 1990. Intraspecific variation in seed packaging. Am. Midl. Nat. 123: 179-185.

Palmer, J.D., R.K. Jansen, H.J. Michaels, M.W. Chase and J.R. Manhart. 1989. Chloroplast DNA variation and plant phylogeny. Annals Missouri Botanic Garden 75: 1180-1206