| Documentation |
State |
Type |
| 1940. Madroņo. |
NJ |
Literature |
| 2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley. |
CA |
Literature |
| Abrams, L. 1960. An illustrated flora of the Pacific States. Stanford University Press, Stanford. |
CA |
Literature |
| Assorted authors. 200_. State noxious weed lists for 46 states. State agriculture or natural resource departments. |
|
Literature |
| Bickford, C. 1979. Vegetation and flora of the Landels-Hill Big Creek Reserve, Monterey County, CA. Environmental Field Program Publication. University of California, Santa Cruz. |
CA |
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 |
| Checklist of the vascular plants of San Diego County, California. San Diego Natural History Museum, San Diego. |
CA |
Literature |
| Hatch, S.L., K.N. Gandhi, and L.E. Brown. 1990. Checklist of the vascular plants of Texas (MP-1655). Texas Agricultural Experiment Station, College Station. |
TX |
Literature |
| Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. |
CA |
Literature |
| Hrusa, G.F. 1993. Manual of the vascular plants of Caswell Memorial State Park, rev. 1997-1998. Unpublished. California State Parks & Recreation. |
CA |
Literature |
| INVADERS database. |
WA |
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 |
| Peck, M.E. 1961. A manual of the higher plants of Oregon, 2nd ed. Oregon State University Press, Corvallis. |
OR |
Literature |
| Rhoads, A.F., and W.M. Klein, Jr. 1993. The vascular flora of Pennsylvania. Annotated checklist and atlas. American Philosophical Society, Philadelphia. |
PA |
Literature |
| Simpson, C., J. Koenig, R. Love, B. Newhouse, N. Otting, S. Sundberg, D. Wagner, and P. Warner. 2002. Vascular plants of Lane County, Oregon. Native Plant Society of Oregon. |
OR |
Literature |
| Specimen Management System for California Herbaria (SMASCH). |
CA |
Literature |
| Sundberg, Scott. Personal communication. |
OR |
Literature |
| TEX. Specimen at University of Texas, Austin, Texas. |
TX |
Specimen |
| WS. Specimen at Washington State University, Pullman, Washington. |
WA |
Specimen |
| Washington Administrative Code. Noxious weed control, Chapter 16-752 (24 May 2006). State of Washington, Washington. |
|
Literature |
| Washington Administrative Code. State noxious weed list and schedule of monetary penalties, Chapter 16-750 (24 May 2006). State of Washington, Washington. |
|
Literature |
| Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia. |
PA |
Literature |
| Wilken, Dieter. Personal communication. |
CA |
Literature |