O'Brien, R. A., and S. W. Woudenberg. 1999. Description of pinyon-juniper and juniper woodlands in Utah and Nevada from an inventroy perspective. Pages 55-59 in Proceedings of Proceedings of the U.S. Forest Service RMRS-P-9.55-59.
O'Meara, T. E., J. B. Haufler, L. H. Stelter, and J. G. Nagy. 1981. Nongame wildlife responses to chaining of pinyon-juniper woodlands. Journal of Wildlife Management 45:381-389.
O'Neil, T. A., R. J. Steidl, W. D. Edge, and B. Csuti. 1994. Using wildlife communities to improve vegetation classification for conserving biodiversity. Conservation Biology 9:1482-1491.
O'Rourke, J. T., and P. R. Ogden. 1969. Vegetation response following pinyon-juniper control in Arizona. Journal of Range Management 22:416-418.
Ogden, P. R. 1987. Simulation model to test economic consequences of management decisions for a steer operation in pinyon-juniper woodlands. In: R. L. Everett (comp.), Proceedings of the Pinyon-Juniper Conference; 13-16 January 1986; Reno, NV. General Technical Report GTR-INT-215. Ogden, UT: US Department of Agriculture, Forest Service, Intermountain Research Station. p 183-187.
Ogle, K., T. G. Whitham, and N. S. Cobb. 2000. Tree-ring variation in pinyon predicts likelihood of death following sever drought. Ecology 81:3237-3243.
Oren, R., R. H. Waring, S. G. Stafford, and J. W. Barrett. 1987. Twenty-four years of ponderosa pine growth in relation to canopy leaf area and understory competition. Forest Science 33:538-547.
Ortiz, P. L., M. Arista, and S. Talavera. 1998. Low reproductive success in two subspecies of Juniperus oxycedrus L. Journal of Plant Sciences 159:843-847.
Ott, J. E., E. D. Mcarthur, and B. A. Roundy. 2003. Vegetation of chained and non-chained seedings after wildfire in Utah. Journal of Range Management 56:81-91.
Owens, M. K. 1996. The role of leaf and canopy-level gas exchange in the replacement of Quercus virgniniana (Fagaceae) by Juniperus ashei (Cuppressaceae) in semiarid savannas. American Journal of Botany 83:617-623.
Owens, M. K., R. K. Lyons, and C. L. Alejandro. 2006. Rainfall partitioning within semiarid juniper communities: effects of event size and canopy cover. Hydrological Processes 20:3179-3189.
Owens, M. K., and T. G. Schliesing. 1995. Invasive potential of Ashe juniper after mechanical disturbance. Journal of Range Management 48:503-507.