Well,
Looking at yahoo maps, Landers is near 29 palms and Yucca, and is very near the 'super locale' Joshua Tree.
The guys over at localityrosys.com should be better able to give a good answer.
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Thanks,
-JC
rosyboas.to

1.1 San felipe (CB'93)
0.1 ghost San felipe (CB'98)
1.0 ghost San felipe (CB'03)
0.1 het ghost San felipe (CB'04)
1.0 ghost-line San felipe (CB'98)
1.1 hypo Borrego (CB'99)
1.1 albino Whitewater (CB'02)
1.1 double het for snow (CB'95)
1.0 snow rosy (CB'04)
1.1 Joshua Tree (CB'96)
1.0 Bagdad (CB'99)
1.1 Harquahala Mts. (CB'04)
1.1 Temecula albino (CB'02)
0.1 Temecula albino (CB'05)
1.1 Hemet anery (CB'05)
0.1 Boa constrictor (CB'92)