Jordan, N., R. Becker, J. Gunsolus, S. White, and S. Damme.  2003.  Knowledge networks: an avenue to ecological management of weeds.  Weed Sci. 51:271-277.

Katovich, E.J.S., R.L. Becker, and J.L. Bryon.  2003.  Winter survival of late emerging purple loosestrife (Lythrum salicaria) seedlings.  Weed Sci. 51:565-568.

Sheaffer C.C., Undersander, D.J., and R.L. Becker.  2007.  Comparing Roundup Ready and Conventional Systems of Alfalfa Establishment. © 2007 Plant Management Network. Published 24 July 24, 2007. 7 p.  http://www.plantmanagementnetwork.org/sub/fg/research/2007/alfalfa/

Martinson, K., L. Hovda, M. Murphy.  Plant poisonous or harmful to horses in the North Central United States. Contribution author.  University of Minnesota Pub. No. 08491. 44 p.

Hutchison, B. (ed.), R. Becker, D. Ragsdale, R. Jones, C. Rosen, and V. Fritz (Minnesota Contributors) 2007.  Midwest vegetable production guide for commercial growers. University of Minnesota Extension Service, St. Paul, Minnesota.  BU-7094-S. http://www.entm.purdue.edu/Entomology/ext/targets/ID/

Katovich, E.K, R.L. Becker, D.W. Ragsdale, and L.C. Skinner.  2005.   Host range testing of garlic mustard (Alliaria petiolata) biocontrol insects in Minnesota.  In: Proceedings: Symposium on the biology, ecology, and management of garlic mustard (Alliaria petiolata) and  European buckthorn (Rhamnus cathartica). L.C. Skinner ed. Forest Health Technology Enterprise Team.  US Forest Service FHTET-2005-09.  Sept. 2005. 63 p.