Dr. Ronald Tyrl

Professor and Curator of the
OSU Herbarium

 

Email: rj.tyrl@okstate.edu
Office: 018 Life Sciences East
Phone: 405-744-9558
Fax: 405-744-7074
Mailing Address: 104 Life Sciences East, Stillwater OK 74078-3013


TEACHING:

  • Botany 3005 - Field Botany, fall semesters

  • Botany 3024 - Plant Diversity, spring semesters of even-numbered years

  • Botany 3114 - Plant Taxonomy, spring semesters of odd-numbered years


RESEARCH:

Classification of vascular plants especially the Poaceae; studies of the flora of Oklahoma.


PUBLICATIONS:

  • Tyrl, R.J., S.C. Barber, P. Buck, J.R. Estes, P. Folley, L.K. Magrath, C.E.S. Taylor, and R.A. Thompson. (continuing publication)
    Keys & Descriptions for the Vascular Plants of Oklahoma    . Flora Oklahoma Inc., Noble, Oklahoma.
  • Burrows, G.E. and R.J. Tyrl. 2006. Handbook of Toxic Plants of North America. Blackwell Publishing, Ames, Iowa.
  • Crandall, R.M. and R.J. Tyrl. 2006. Vascular flora of the Pushmataha Wildlife Management Area, Pushmataha County, Oklahoma. Castanea 71:15-30.
  • Richards, L. and R.J. Tyrl. 2005. Dyes from American Native Plants: A Practical Guide. Timber Press, Portland, Oregon.
  • Littlefield, L.J., S.M. Marek, R.J. Tyrl, and K.S. Winkelman. 2005. Morphological and molecular characterization of Puccinia lagenophorae, now present in central North America. Annals Appl. Biol. 147:1-8.
  • Medlin, C. and R.J. Tyrl. 2005. Grass Weeds of Oklahoma Wheat Fields and Their Identification. OSU Extension Fact Sheet No. L-316. Oklahoma Cooperative Extension Service, Stillwater, OK.
  • Coleman, S.W., C.M. Taliaferro, and R.J. Tyrl. 2004. The Old World Bluestems. pp. 909-936. IN: L.E. Moser, B.L. Burson, and L.E. Sollenberger (editors). Warm-Season (C4) Grasses. American Society of Agronomy Monographs No. 45. American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America Publishers, Madison Wisconsin.
  • Springer, T.L. and R.J. Tyrl. 2003. Status of Phlox oklahomensis (Polemoniaceae) in northwestern Oklahoma and adjacent Kansas. Proc. Oklahoma Acad. Sci. 83:89-92.
  • Tyrl, R.J., T.G. Bidwell, and R.E. Masters. 2002. Field Guide to Oklahoma Plants. Commonly Encountered Prairie, Shrubland, and Forest Species. Oklahoma State University, Stillwater, Oklahoma.
  • Burrows, G.E. and R.J. Tyrl. 2001. Toxic Plants of North America. Iowa State University Press, Ames, Iowa.
  • Smith, B.A., R.J. Tyrl, and R.E. Master. 1997. Floristic inventory of the McCurtain County Wilderness Area, Oklahoma. Proc.Oklahoma Acad. Sci. 77:99-102.
  • Prather, L.A., R.J. Tyrl, and W.D. Warde 1995. A taxonomic investigation of Cuscuta attenuata (Cuscutaceae) and related taxa. Sida 16:447-458.