Brian W. Geils, PhD
Former Employee
Research Plant Pathologist
Treesearch Publications
- Brian W. Geils, Susan Olberding. 2012. Research on climate impacts to forests began early at Fort Valley Experimental Forest
- Ned B. Klopfenstein, Brian W. Geils. 2011. II. Pathogens
- M. L. Fairweather, Brian W. Geils. 2011. First report of the white pine blister rust pathogen, Cronartium ribicola, in Arizona
- Eugene P. Van Arsdel, Brian W. Geils. 2011. Blister rust in North America: What we have not learned in the past 100 years
- Brian W. Geils, Detlev R. Vogler. 2011. A natural history of Cronartium ribicola
- William R. Jacobi, Betsy A. Goodrich, Holly S. J. Kearns, Kelly S. Burns, Brian W. Geils. 2011. Can microscale meteorological conditions predict the impact of white pine blister rust in Colorado and Wyoming?
- Kelly Burns, Jim Blodgett, Dave Conklin, Brian W. Geils, Jim Hoffman, Marcus Jackson, William Jacobi, Holly Kearns, Anna W. Schoettle. 2010. White pine blister rust in the interior Mountain West
- R. Scott Anderson, Susan J. Smith, Ann M. Lynch, Brian W. Geils. 2010. The pollen record of a 20th century spruce beetle (Dendroctonus rufipennis) outbreak in a Colorado subalpine forest, USA
- Boris A. Poff, Aregai Tecle, Dan G. Neary, Brian W. Geils. 2010. Compromise Programming in forest management
- Brian W. Geils, Kim E. Hummer, Richard S. Hunt. 2010. White pines, Ribes, and blister rust: a review and synthesis
- R. S. Hunt, Brian W. Geils, K. E. Hummer. 2010. White pines, Ribes, and blister rust: integration and action
- Ned B. Klopfenstein, Brian W. Geils. 2010. Invasive Species Science Update (No. 4)
- Ned B. Klopfenstein, Brian W. Geils. 2009. Summary of taxa-specific research: 2. pathogens
- Brian W. Geils, Ned B. Klopfenstein, Mee-Sook Kim, Pauline Spaine, Bryce A. Richardson, Paul J. Zambino, Charles Shaw, James Walla, Russ Bulluck, Laura Redmond, Kent Smith. 2009. Recovery plan for Scots pine blister rust caused by Cronartium flaccidum (Alb. & Schwein.) G. Winter and Peridermium pini (Pers.) Lév. [syn. C. asclepiadeum (Willd.) Fr., Endocronartium pini (Pers.) Y. Hiratsuka]
- Holly S. J. Kearns, William R. Jacobi, Brian W. Geils. 2009. A method for estimating white pine blister rust canker age on limber pine in the central Rocky Mountains
- G. Glatzel, Brian W. Geils. 2009. Mistletoe ecophysiology: Host-parasite interactions
- John T. Kliejunas, Brian W. Geils, Jessie A. Glaeser, Ellen Michaels Goheen, Paul Hennon, Mee-Sook Kim, Harry Kope, Jeff Stone, Rona Sturrock, Susan J. Frankel. 2009. Review of literature on climate change and forest diseases of western North America
- D. A. Conklin, M Fairweather, D Ryerson, Brian W. Geils, Detlev R. Vogler. 2009. White pines, blister rust, and management in the Southwest
- David A. Conklin, Brian W. Geils. 2008. Under-burning and dwarf mistletoe: Scorch 'n' toe
- Brian W. Geils. 2008. Western forest diseases and climate relations: General considerations, dwarf mistletoe and stem rusts
- Mary Lou Fairweather, Brian W. Geils, Mike Manthei. 2008. Aspen decline on the Coconino National Forest
- David A. Conklin, Brian W. Geils. 2008. Survival and sanitation of dwarf mistletoe-infected ponderosa pine following prescribed underburning
- Bryce A. Richardson, Ned B. Klopfenstein, P. J. Zambino, G. I. McDonald, Brian W. Geils, L. M. Carris. 2008. Influence of host resistance on the genetic structure of the white pine blister rust fungus in the western United States
- K. L. Frank, L. S. Kalkstein, Brian W. Geils, H. W. Thistle. 2008. Synoptic climatology of the long-distance dispersal of white pine blister rust I. Development of an upper level synoptic classification
- K. L. Frank, Brian W. Geils, L. S. Kalkstein, H. W. Thistle. 2008. Synoptic climatology of the long-distance dispersal of white pine blister rust II. Combination of surface and upper level conditions
- Brian W. Geils. 2008. Forest pathology and entomology at Fort Valley Experimental Forest
- Brian W. Geils. 2008. Fort Valley studies: A natural laboratory for research and education
- Detlev R. Vogler, Brian W. Geils. 2008. Interactions between western gall rust and its Pinus hosts, P. jeffreyi and P. contorta, in Sierra De San Pedro Martir National Park, Northern Baja California, Mexico
- Holly S. J. Kearns, William R. Jacobi, Kelly S. Burns, Brian W. Geils. 2008. Distribution of Ribes, an alternate host of white pine blister rust, in Colorado and Wyoming
- Tod D. Ramsfield, Darren J. Kriticos, Detlev R. Vogler, Brian W. Geils. 2007. Western gall rust -- A threat to Pinus radiata in New Zealand
- Eugene P. Van Arsdel, Brian W. Geils, Paul J. Zambino. 2006. Epidemiology for hazard rating of white pine blister rust
- Vasant M. Kelkar, Brian W. Geils, Dennis R. Becker, Steven T. Overby, Dan G. Neary. 2006. How to recover more value from small pine trees: Essential oils and resins
- Kailen A. Mooney, Brian W. Geils, Yan B. Linhart. 2006. Linking parasitic plant-induced host morphology to tritrophic interactions
- Donald C. E. Robinson, Brian W. Geils. 2006. Modelling dwarf mistletoe at three scales: life history, ballistics and contagion
- Eugene P. Van Arsdel, Brian W. Geils. 2004. The Ribes of Colorado and New Mexico and their rust fungi
- Brian W. Geils, Jose Cibrian-Tovar, Benjamin Moody. 2002. Mistletoes of North American conifers
- William R. Jacobi, Brian W. Geils, Jane E. Taylor. 2002. Frequency of comandra blister rust infection episodes on lodgepole pine
- Michael R. Wagner, William M. Block, Brian W. Geils, Karl F Wenger. 2000. Restoration ecology: A new forest management paradigm, or another merit badge for foresters?
- Brian W. Geils, David A. Conklin, Eugene P. van Arsdel. 1999. A preliminary hazard model of white pine blister rust for the Sacramento Ranger District, Lincoln National Forest
- Cathy W. Dahms, Brian W. Geils. 1997. An assessment of forest ecosystem health in the Southwest
- William Moir, Brian W. Geils, Mary Ann Benoit, Dan Scurlock. 1997. Ecology of southwestern ponderosa pine forests
- Robert L. Mathiasen, Brian W. Geils, Clinton E. Carlson, Frank G. Hawksworth. 1995. Larch dwarf mistletoe not found on alpine larch
- Brian W. Geils, John E. Lundquist, Jose Negron, Jerome S. Beatty. 1995. Disturbance regimes and their relationships to forest health.
- Jerome S. Beatty, Brian W. Geils, John E. Lundquist. 1995. Disturbance and canopy gaps as indicators of forest health in the Blue Mountains of Oregon.
- Utah State University, Logan, B.S., Wildlife Biology, 1975
- University of Idaho, Moscow, M.S., Forest Science, 1979
- Colorado State University, Fort Collins, Ph.D., Botany and Plant Pathology, 1984
Last updated March 10, 2026