Table 1.

Details on sampling locations of individuals sequenced for population genomics analyses.

Reserve	Location	Latitude/longitude	Year	Sample size
Motte Rimrock	Motte	33°48′N/117°15′W	2009	8*
Boyd Deep Canyon	Deep Canyon	33°38′N/116°22′W	2009	8
Boyd Deep Canyon	Deep Canyon	33°38′N/116°22′W	2018	4
Boyd Deep Canyon	Agave Hill	33°38′N/116°24′W	2018	6

^*denotes that the individual outlier was sampled here, and effective sample size was reduced to 7 after outlier removal