Table 1.
Sample locality information for a total of 234 desert tortoise samples representing G. agassizii in California (n - 103), G. morafkai in Arizona (n - 78), and 53 individuals of undetermined lineage in the secondary contact zone
| Location | Sample sites | Site ID | n | County | State | Population category |
|---|---|---|---|---|---|---|
| Eastern Mojave RU | Ivanpah | IV | 33 | San Bernardino | California | G. agassizii |
| Ivanpah (site 14) | IV14 | 22 | San Bernardino | California | G. agassizii | |
| Shadow Valley | SV | 3 | San Bernardino | California | G. agassizii | |
| Colorado Desert RU | Fenner | FEN | 4 | San Bernardino | California | G. agassizii |
| Goffs | G | 26 | San Bernardino | California | G. agassizii | |
| Chemhuevi | CH | 6 | San Bernardino | California | G. agassizii | |
| Upper Ward Valley | UWV | 9 | San Bernardino | California | G. agassizii | |
| Black Mountains | South side (near Oatman Hwy) | GS | 4 | Mohave | Arizona | Contact Zone |
| East bajada (long-term monitoring plot) | EB | 13 | Mohave | Arizona | Contact Zone | |
| West side (near Silver Creek Rd.) | WBM | 18 | Mohave | Arizona | Contact Zone | |
| Buck Mountains | BUCK | 6 | Mohave | Arizona | Contact Zone | |
| Hualapai Mountains | Shingle Canyon | HSC | 7 | Mohave | Arizona | Contact Zone |
| Hualapai Foothills | HF | 5 | Mohave | Arizona | Contact Zone | |
| Arrastra Mountains | AM | 4 | Mohave | Arizona | G. morafkai | |
| Miller Mountain | Bonanza Wash | BW | 5 | Yavapai | Arizona | G. morafkai |
| Bismarck Mountain | Little Shipp Wash | LS | 10 | Yavapai | Arizona | G. morafkai |
| US Highway 93 | Between Wickenburg and Wikieup, AZ | US93 | 10 | Yavapai | Arizona | G. morafkai |
| Eagletail Mountains | ET | 14 | Maricopa | Arizona | G. morafkai | |
| Harcuvar Mountains | HARC | 16 | Yavapai | Arizona | G. morafkai | |
| New Water Mountains | NW | 4 | La Paz | Arizona | G. morafkai | |
| Wickenburg Mountains | WM | 15 | Yavapai | Arizona | G. morafkai |