| Documentation |
State |
Type |
| 2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley. |
CA |
Literature |
| Assorted authors. 200_. State noxious weed lists for 46 states. State agriculture or natural resource departments. |
|
Literature |
| California Department of Food and Agriculture. Pest ratings of noxious weed species and noxious weed seed (20 October 2003). California Department of Food and Agriculture, California. |
|
Literature |
| Dorn, R.D. 1977. Manual of the vascular plants of Wyoming. 2 vols. Garland Publishing, Inc., New York. |
WY |
Literature |
| Hartman, R. Atlas of the vascular flora of Wyoming. Unpublished and undated. |
WY |
Literature |
| Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. |
CA |
Literature |
| INVADERS database. |
OR, WA |
Literature |
| McGregor, R.L., R.E. Brooks, and L.A. Hauser. 1976. Checklist of Kansas vascular plants. Technical Publications of State Biological Survey of Kansas, No. 2. |
KS |
Literature |
| Nevada Administrative Code. Control of insects, pests, and noxious weeds (20 October 2003). State of Nevada, Nevada. |
|
Literature |
| Oregon Administrative Rules. Quarantine; noxious weeds, Chapter 603-52-1200 (24 May 2006). State of Oregon, Oregon. |
|
Literature |
| Oregon Department of Agriculture. Noxious weed policy and classification system (24 May 2006). Oregon Department of Agriculture, Oregon. |
|
Literature |
| Plant Services Division. Prohibited, regulated and restricted noxious weeds (1 May 2006). Arizona Department of Agriculture, Arizona. |
|
Literature |
| Specimen Management System for California Herbaria (SMASCH). |
CA |
Literature |
| WS. Specimen at Washington State University, Pullman, Washington. |
WA |
Specimen |
| Whitson, T.D. (ed.) et al. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie, Wyoming. |
|
Literature |
| Wilken, Dieter. Personal communication. |
CA |
Literature |