Table 1.

Localities of 24 individuals sampled from three southern California oak species: Q. berberidifolia, Q. cornelius-mulleri, and Q. engelmannii

Location	Sample IDs	Latitude	Longitude	Altitude (m)
Pala Reserve	8, 20, 21, 22, 23, 24	33° 22.53’	− 117° 02.71’	267
Oak Knoll	19	33° 17.92’	− 116° 55.29’	713
Lake Henshaw	18	33° 16.56’	−116° 51.24’	711
Lake Wohlford	7, 15, 16	33° 09.87’	−117° 00.23’	256
Santa Ysabel	1, 6	33° 06.55’	−116° 40.16’	999
Julian	14	33° 04.90’	−116° 34.42’	1683
Laguna Mountain	9, 13, 17	32° 50.97’	−116° 29.14’	1516
Alpine	2	32° 48.99’	−116° 45.80’	595
McCain Valley	3, 4, 5, 10, 11, 12	32° 41.95’	−116° 15.50’	1114

Localities are presented from northern to southern latitudes