Table 1.
Locations of sympatric and allopatric populations of M. guttatus and M. nasutus used in the study. All populations were originally collected as seeds from wild plants.
| geographical region | population abbreviation | species | allopatric/sympatric | location |
|---|---|---|---|---|
| Oregon Cascades | IM | M. guttatus | allopatric | iron mountain, Hwy. 20, Linn Co., OR |
| CGR | M. guttatus | allopatric | Cougar Reservoir, Lane Co., OR | |
| SF | M. nasutus | allopatric | Sherar's Falls, Tygh Valley, Wasco Co., OR | |
| northern California Coast Range | LG6 | M. guttatus | allopatric | Hwy 128 and Berryessa-Knoxville Rd. jct. Napa Co., CA |
| NDR2 | M. nasutus | allopatric | 2 mi. south of Dos Rios, Mendocino Co., CA | |
| GMD | M. guttatus | sympatric (NMD) | Lake Berryessa, Solano Co., CA | |
| NMD | M. nasutus | sympatric (GMD) | Lake Berryessa, Solano, Co., CA | |
| central California | GCC | M. guttatus | allopatric | Chinese Camp, Tuolumne Co., CA |
| Sierra Nevadas | NCL | M. nasutus | allopatric | Cherry Lake Rd. off Hwy. 120, Tuolumne Co., CA |
| MED | M. guttatus | sympatric (MEN) | Hwy. 120 & Jacksonville Rd jct., Tuolumne Co., CA | |
| MEN | M. nasutus | sympatric (MED) | Hwy. 120 & Jacksonville Rd jct., Tuolumne Co., CA | |
| GDP | M. guttatus | sympatric (NDP) | Don Pedro Vista Point, Hwy. 120, Tuolumne Co., CA | |
| NDP | M. nasutus | sympatric (GDP) | Don Pedro Vista Point, Hwy. 120, Tuolumne Co., CA |