Clement, S.L., Hellier, B.C., Elberson, L.R., Bradley, V.L., Johnson, R.C. 2007. Insect Pollination in the Regeneration of Germplasm at the Western Regional Plant Introduction Station. Proceedings 9th International Pollination Symposium on Plant-Pollinator Relationships, Diversity in Action. Iowa State University, Ames, Iowa. p. 62-63.
Johnson, R.C., Dajue, L., Bradley, V.L. 2006. Autumn growth and its relationship to winter survival in diverse safflower germplasm. Canadian Journal of Plant Science. 86:701-732.
Johnson, R.C., Dajue, L., Foiles, C.L., Bradley, V.L. 2005. Variation In Winter Hardiness Among Safflower Accessions. In: Proceedings of the 6th International Safflower Conference, June 6-10, 2005, Istanbul, Turkey. p. 113-118.
Johnson, R.C., Kisha, T.J., Foiles, C.L., Bradley, V.L. 2006. Characterizing Safflower Germplasm with AFLP Molecular Markers. In Proceedings of the 6th International Safflower Conference, June 6-10, 2005, Istanbul, Turkey. p. 3-8.
Bradley, V.L., Kisha, T.J. 2005. Analysis of bromus inermis populations using amplified fragment length polymorphism markers to identity duplicate accessions. In: Molecular breeding for the improvement of forage crops and turf: Proceedings of the 4th International Symposium on the Molecular Breeding of Forage and Turf, a satelllite workshop of the XXth International Grasslands Congress, July 2005, Aberystwyth, Wales. p. 267.
Johnson, R.C., Bradley, V.L., Evans, M.A. 2006. Effect of seed sampling method during regeneration on genetic population structure and growth of model ryegrass populations. Plant Genetic Resources Newsletter. 144:1-7.
Johnson, R.C., Bradley, V.L., Evans, M.A. 2004. Inflorescence sampling improves effective population size of grasses. Crop Science. v. 44. p. 1450-1455.
Bradley, V.L., Kisha, T.J., Johnson, R.C. 2002. The identification of duplicate accessions within a grass germplasm collection using rapd analysis [abstract]. Crop Science Society of America. p. 131923.
Johnson, R.C., Bradely, V.L., Evans, M.A. Seed sampling techniques and divserity maintenance in outcrossing grass species. Crop Science Society of America. 2002. Abstract p. 182030.
Johnson, R.C., Bradley, V.L., Evans, M.A. Reductions in effective populations size during grass regeneration and improvements with sampling. Crop Science. 2002. v. 42. p. 286-290.
Bradley, V.L., Johnson, R.C. Managing the U.S. safflower collection. In Proceedings of the Vth International Safflower Conference, Williston, North Dakota, Sidney, Montana, USA. 2001. p. 143-147
Johnson, R.C., P.B. Ghorpade, and V.L. Bradley. 2001. Evaluation of the USDA core safflower collection for seven quantitative traits. Proceedings of the Vth International Safflower Conference, Williston, North Dakota, Sidney, Montana, USA. 2001. p. 149-152.
Bradley, V.L., Johnson, R.C. An assessment of grass regeneration nurseries at the Western Regional Plant Introduction Station, 1994-1997. In Proceedings of the XIX International Grasslands Congress, Sao Pedro, Sao Paulo, Brasil. 2001. p. 883-884.
Johnson, R.C., Bradley, V.L., Evans, M.A. Improving efffective population size during grass seed regeneration. Crop Science Society of America. 2001. Abstract p. 144248.