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Biographical Information

Peter R. Nelson

Photo of Peter Nelson

Assistant Professor of Biological Sciences and Environmental Studies

Ext. 7683 Office: Nadeau 216


PhD - Ecology, Department of Botany and Plant Pathology, Oregon State University, 2013

BS - Resource Conservation, College of Forestry and Conservation, University of Montana, 2004


Community Ecology, Vegetation, Lichens, Statistical Modeling

Honors, Fellowships, & Memberships


Recent Papers, Presentations & Publications

Nelson, P.R., McCune, B., Roland, C., Stehn, S. (submitted) Nonparametric methods reveal nonlinear functional trait variation in lichens along environmental and fire age gradients. Journal of Vegetation Science.

Nelson, P.R., McCune, B. , Wheeler, T., Geiser, L. & C. Crisafulli. (in review). Lichen community development along a disturbance gradient at Mount St. Helens: In Ecological Responses Revisited 35 years after the 1980 Eruptions of Mount St. Helens. Eds V.H. Dale & C. H. Crisafulli, Springer-Verlag, New York. 

Nelson, P.R., Roland, C., Macander, M.J. & B. McCune. 2013. Detecting lichen abundance for mapping winter caribou forage at landscape spatial scales. Remote Sensing of Environment 137: 43-54.

Nelson, P.R. & T. Wheeler. 2013. Cephalodia found on Fuscopannaria viridescens. The Lichenologist 45(5): 694-696.

Stehn, S., Nelson, P., Roland, C. & J. Jones. 2013. Patterns in the occupancy and abundance of the globally rare lichen Erioderma pedicellatum in Denali National Park and Preserve, Alaska. The Bryologist 116: 2-14.

Nelson, P.R., Kepler, R., Walton, J., Nelson, L., Fankhauser, J. & W.L. Song. 2012. Parmelina yalungana resurrected and reported from Alaska, Russia and China. The Bryologist 115: 557-565.

Muggia, L., P. Nelson, T. Wheeler, L. S. Yakovchenko, T. Tønsberg, & T. Spribille. 2011. Convergent evolution of a symbiotic duet: The case of the lichen genus Polychidium (Peltigerales, Ascomycota). American Journal of Botany 98: 1647–1656.

Nelson, P., J. Walton, H. Root & T. Spribille. 2011. Hypogymnia pulverata (Parmeliaceae) and Collema leptaleum (Collemataceae), two macrolichens new to Alaska. North American Fungi 6:1-8.

Root, H. T. & P. R. Nelson. 2011. Does phylogenetic distance aid in detecting environmental gradients related to species composition? Journal of Vegetation Science 22:1143-148.

Nelson, P., J. Walton & C. Roland. 2009. Erioderma pedicellatum (Hue) P.M.Jorg. new to the United States and western North America, discovered in Denali National Park and Preserve and Denali State Park, Alaska. Evansia 26:19-23.

Courses Taught

Peter teaches courses in the subjects of Environmental Science and Biology.

Peter may be contacted by phone at (207) 834-7683 or by email at