Literature Based Distribution
Region
Country
Mapping will be based on a standard reference mark based on political units when available.
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| United States | | | Munz, P. A. | 1974 | (none) | Fl. S. Calif. | 1–1086 |
| United States | | | Cronquist, A. J., A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren | 1984 | Vascular Plants of the Intermountain West, U.S.A. | Intermount. Fl. | 4: 1–573 |
| United States | | | Hickman, J. C. | 1993 | (none) | The Jepson Manual: Higher Plants of California | 1–1400 |
| United States | Arizona | | Hickman, J. C. | 1993 | (none) | The Jepson Manual: Higher Plants of California | 1–1400 |
| United States | California | | Munz, P. A. | 1974 | (none) | Fl. S. Calif. | 1–1086 |
| United States | California | | Hickman, J. C. | 1993 | (none) | The Jepson Manual: Higher Plants of California | 1–1400 |
| United States | Utah | | Hickman, J. C. | 1993 | (none) | The Jepson Manual: Higher Plants of California | 1–1400 |
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