Western Juniperus, particularly the southern species, may be expanding primarily into locations where fire exclusion has occurred, but fire exclusion with land use change may not be sufficient to explain expansion of western Juniperus into arid locations where surface fuels were not continuous enough to...
introductions, and/or a genetically diverse founding population. Museum and literature records ofD. radielladate back to 1862 and indicate that range expansion to the West Coast required more than 50 years. Higher levels of genetic diversity observed inD. depressanacompared to its congener may ...