Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1436709
| CA | San Diego | 1 mile SW of Otay, on the road to Tijuana. | 1931 |
18070305
| Cottonwood-Tijuana | established |
1436078
| CA | San Diego | 1 mile SW of Otay, on the road to Tijuana. | 1931 |
18070305
| Cottonwood-Tijuana | established |
1437061
| CA | San Diego | Abundant in bottom of one dried vernal pool, west of La Media Road, Otay Mesa. (IPB 3/06) | 1976 |
18070305
| Cottonwood-Tijuana | established |
1437733
| CA | San Diego | Barrett Lake: along Barrett Lake Road between Lyons Valley Road and the Lake where a creek crosses the road; west of Barrett Lake | 2012 |
18070305
| Cottonwood-Tijuana | established |
1437912
| CA | San Diego | Cleveland National Forest: vicinity of Buckman Springs, NE of Morena Reservoir; south of Morena Stokes Valley/Corral Canyon Rd. and west of Buckman Springs Road; along streambed | 2012 |
18070305
| Cottonwood-Tijuana | established |
1441770
| CA | San Diego | Cleveland National Forest; Pine Valley, N I-8 immed. W of Hwy. S1. | 1981 |
18070305
| Cottonwood-Tijuana | established |
1436840
| CA | San Diego | Dried vernal pool, intersection Airway Rd. & La Media Rd., Otay Mesa. | 1971 |
18070305
| Cottonwood-Tijuana | established |
1436629
| CA | San Diego | Eastern part of town [of Imperial Beach?] | 1937 |
18070305
| Cottonwood-Tijuana | established |
1437140
| CA | San Diego | Grapevine Canyon below the ranch | 1969 |
18070305
| Cottonwood-Tijuana | established |
1438639
| CA | San Diego | Growing beside road 2 miles southeast of Brown Field, Otay Mesa. | 1967 |
18070305
| Cottonwood-Tijuana | established |
1439260
| CA | San Diego | Growing in bottom of dried vernal pools south of Siempre Viva Rd. 2 miles southeast of Brown Field, one Otay Mesa. ' | 1967 |
18070305
| Cottonwood-Tijuana | established |
1437317
| CA | San Diego | in dried vernal pool, La Media Road 0.5 mile south of Otay Mesa Road, Otay Mesa | 1969 |
18070305
| Cottonwood-Tijuana | established |
1436092
| CA | San Diego | Loma Alta on Otay Mesa | 1935 |
18070305
| Cottonwood-Tijuana | established |
1439213
| CA | San Diego | Long Portrero area: NE of Tecate, SW of Morena Reservoir; ca. 3 miles N of Hwy. 94 and north of Portrero Valley Road on a dirt road; vicinity of a small pond | 2005 |
18070305
| Cottonwood-Tijuana | established |
1437984
| CA | San Diego | Otay Mesa area: East of I-805 and south of Hwy 905; southwest of Brown Field Airport; on City of San Diego open space preserve property, southwest of Heritage Road, on a vernal pool mesa | 2012 |
18070305
| Cottonwood-Tijuana | established |
1437137
| CA | San Diego | Pine Valley | 1937 |
18070305
| Cottonwood-Tijuana | established |
1436752
| CA | San Diego | Pine Valley, Corte Madera Ranch | 1980 |
18070305
| Cottonwood-Tijuana | established |
1437075
| CA | San Diego | Potrero; Cuyamaca Quadrangle | 1937 |
18070305
| Cottonwood-Tijuana | established |
1436517
| CA | San Diego | Southeast of Campo: along road in Smith Canyon approximately 0.7 miles north of the USA/Mexico border; on Bureau of Land Management lands | 2010 |
18070305
| Cottonwood-Tijuana | established |
1436046
| CA | San Diego | Southwest of Campo: South of Highway 94; on Bureau of Land Management lands along wet canyon/streambed near dirt road and approximately 0.6 miles north of the USA/Mexico border | 2010 |
18070305
| Cottonwood-Tijuana | established |
1438956
| CA | San Diego | Town of Potrero, Hauser Mountain, Harris Ranch Rd, near old house site; ca. 3 mi N of Canyon City at Highway 94, ca. 4 mi W of Cameron Corners (inters of Hwy 94 & Buckman Springs Rd). | 2006 |
18070305
| Cottonwood-Tijuana | established |