| Documentation |
State |
Type |
| 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 |
| Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. |
CA |
Literature |
| Oregon Flora Project species list; species noted on herbarium specimens. Unpublished and undated. |
OR |
Literature |
| Peck, M.E. 1961. A manual of the higher plants of Oregon, 2nd ed. Oregon State University Press, Corvallis. |
OR |
Literature |
| Specimen Management System for California Herbaria (SMASCH). |
CA |
Literature |
| Specimen at Linfield College, McMinnville, Oregon. |
OR |
Specimen |
| Straw, R. Jackson and Josephine County checklist. Unpublished and undated. |
OR |
Literature |
| Wilken, Dieter. Personal communication. |
CA |
Literature |
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