| Documentation |
State |
Type |
| Arizona Department of Agriculture. 2011. Protected native plants by categories. Arizona Department of Agriculture. |
|
Literature |
| Nevada Natural Heritage Program. 2001. Christmas trees, cacti, and yucca native to Nevada (20 October 2002). Department of Conservation and Natural Resources, Nevada. |
|
Literature |
| Nevada Natural Heritage Program. 2001. State of Nevada list of fully protected plant species (20 October 2002). Department of Conservation and Natural Resources, Nevada. |
|
Literature |
| 1999. Journal of the Arizona-Nevada Academy of Science. |
AZ |
Literature |
| Benson, L. 1982. The cacti of the United States and Canada. Stanford University Press, Stanford. |
AZ |
Literature |
| Damrel, D., D.J. Pinkava, and L.R. Landrum. The Phoenix flora. |
AZ |
Literature |
| Kartesz, J.T. 2002. Atlas of the Arizona flora. Unpublished. |
AZ |
Literature |
| Kearney, T., and R.H. Peebles. 1960. Arizona flora with supplement. University of California Press, Los Angeles. |
AZ |
Literature |
| 1977. Survey of sensitive plants of the Algodones Dunes (report for Bureau of Land Management, Riverside, CA). Unpublished. Westec Services Inc., Tustin, CA. |
CA |
Literature |
| 2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley. |
CA |
Literature |
| Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. |
CA |
Literature |
| Specimen Management System for California Herbaria (SMASCH). |
CA |
Literature |
| Wilken, Dieter. Personal communication. |
CA |
Literature |
| Kartesz, J.T. 1988. A flora of Nevada. University of Nevada, Reno. |
NV |
Literature |
| Kartesz, J.T. 2001. Atlas of the Nevada flora. Unpublished. |
NV |
Literature |
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