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D. D. Johnson and Davies, K. W., Effects of Integrating Mowing and Imazapyr Application on African Rue (Peganum harmala) and Native Perennial GrassesAbstract, Invasive Plant Science and Management, vol. 7404412124654131241363412, no. 04, pp. 617 - 623, 2014.
D. D. Johnson and Davies, K. W., Medusahead Management in Sagebrush–Steppe Rangelands: Prevention, Control, and Revegetation, Rangelands, vol. 34, no. 1, pp. 32 - 38, 2012.
D. D. Johnson, Davies, K. W., Schreder, P. T., and Chamberlain, A. - M., Perceptions of Ranchers About Medusahead (Taeniatherum caput-medusae (L.) Nevski) Management on Sagebrush Steppe Rangelands, Environmental Management, vol. 48431016283055614881852664141231714581918601018945221, no. 3, pp. 400 - 417, 2011.
D. D. Johnson and Ganskopp, D. C., GPS Collar Sampling Frequency: Effects on Measures of Resource Use, Rangeland Ecology & Management, vol. 61, no. 2, pp. 226 - 231, 2008.
D. D. Johnson and Miller, R. F., Intermountain Presettlement Juniper: Distribution, Abundance, and Influence on Postsettlement Expansion, Rangeland Ecology & Management, vol. 61, no. 1, pp. 82 - 92, 2008.
D. D. Johnson and Miller, R. F., Structure and development of expanding western juniper woodlands as influenced by two topographic variables, Forest Ecology and Management, vol. 229, no. 1-3, pp. 7 - 15, 2006.
D. D. Johnson and Davies, K. W., Reestablishing perennial-dominated plant communities in medusahead-invaded sagebrush rangeland, Great Basin Factsheet, vol. 3, p. 4, 2015.
D. D. Johnson and Davies, K. W., An introduction to using ecological site descriptions as a management tool, Cattle Producer's Library, 2012.
D. D. Johnson and Sharp, R., Pace 180° and repeat photography: Monitoring methods for documenting vegetation trend in sagebrush rangelands, Oregon State University Beef Cattle Library, 2012.
D. D. Johnson, Davies, K. W., and Boyd, C. S., Grazing management options for riparian areas., Oregon State University Beef Cattle Library, 2011.
D. D. Johnson, Monitoring grazing lands in Oregon, Oregon State University Beef Cattle Library, 2010.
D. D. Johnson and Davies, K. W., Monitoring Grazing Lands, Cow-Calf Management Guide and Cattle Producer’s Library, 2009.
D. D. Johnson and Boyd, C. S., Pre-emptive conservation of sage-grouse habitat: The Harney County Experience, in Society for Range Management 68th Annual International Meeting, 2014.
D. D. Johnson, Davies, K. W., and Nafus, A. M., Are early summer wildfires an opportunity to revegetate medusahead-invaded rangelands, in Society for Range Management 66th Annual International Meeting, 2012.
D. D. Johnson and Davies, K. W., Effects of integrating mowing and imazapyr on African rue (Peganum harmala L.) and native bunchgrasses., in Society for Range Management 65th Annual International Meeting, 2011.
D. D. Johnson, Davies, K. W., Schreder, P. T., and Chamberlain, A. - M., Ranchers’ Perspectives of Invasive Annual Grass Management on Sagebrush Steppe Rangelands, in Society for Range Management 62nd Annual International Meeting, 2009.
D. D. Johnson and Miller, R. F., Woodland Expansion, Stand Dynamics and Fuel Loads in Western Juniper Woodlands, in 57th Annual Meeting of the Society for Range Management, 2006.
D. D. Johnson and Davies, K. W., Techniques to improve seeding success of forage kochia in exotic annual grass invaded sagebrush rangelands, Oregon Beef Council Report, 2014.
D. D. Johnson and Davies, K. W., Prescribed burning and herbicide applications in the spring to revegetate medusahead-invaded rangelands, Oregon Beef Cattle Report, 2013.
D. D. Johnson and Davies, K. W., Revegetating sagebrush rangelands invaded by medusahead, Oregon Beef Council Report, 2013.
D. D. Johnson, Davies, K. W., and Cheeke, P. R., Grazing behavioral responses of beef cattle to medusahead invasion in sagebrush steppe rangeland, Oregon Beef Council Report, 2011.
D. D. Johnson, Davies, K. W., Schreder, P. T., and Chamberlain, A. - M., The 2007 Southeast Oregon Weed Management Survey: Ranchers’ Perceptions of Weeds in Sagebrush Steppe Rangeland, EOARC 2009, 2009.
D. D. Johnson, Davies, K. W., and Cooke, R. F., Oregon Beef Council Report, Oregon Beef Council Report 2011 Edition, p. 65, 2011.