| Documentation |
State |
Type |
| 1940. Contributions from the Gray Herbarium. |
OR, SD |
Literature |
| 1962. Canadian Journal of Botany. |
IA, ID, NE, NM |
Literature |
| 1986. Indiana Academy of Science. |
IN |
Literature |
| 2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley. |
CA |
Literature |
| Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments. |
|
Literature |
| Brouillet, L., F. Coursol, and M. Favreau. 2006. VASCAN, the Database of Vascular Plants of Canada. Herbier Marie-Victorin, Institut de recherche en biologie végétale, Université de Montréal. |
AB, BC, MB, ON, SK |
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 |
| California Invasive Plant Council. California Invasive Plant Inventory. Cal-IPC Publication 2006-02 (1 February 2007). California Invasive Plant Council, Berkeley, California. |
|
Literature |
| Creso, I. 1984. Vascular plants of western Washington. Johnson Cox Printers, Tacoma. |
WA |
Literature |
| Dorn, R.D. 1977. Manual of the vascular plants of Wyoming. 2 vols. Garland Publishing, Inc., New York. |
WY |
Literature |
| Dorn, R.D. 1984. Vascular plants of Montana. Mountain West Publishers, Cheyenne. |
MT |
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 Unpublished and undated.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 |
| Hogan, Tim. Personal communication. |
CO |
Literature |
| Hrusa, G.F. 1996. Report submitted to North State Resources Inc., Redding. Unpublished. |
CA |
Literature |
| Hrusa, G.F. 1997. Report submitted to Foster-Wheeler Inc., Sacramento, CA. Unpublished. |
CA |
Literature |
| ID. Specimen at University of Idaho, Moscow, Idaho. |
ID |
Specimen |
| INVADERS database. |
MT, OR, WA |
Literature |
| Johnston, B. 1991. List of Colorado plants. Unpublished. |
CO |
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 Unpublished.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 |
| McGregor, R.L., et al. 1986. Flora of the Great Plains. University of Kansas Press, Lawrence. |
KS |
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 |
| Oregon Flora Project species list; species noted on herbarium specimens. Unpublished and undated. |
OR |
Literature |
| Oswald, V. 1994. Manual of the vascular plants of Butte County, California. California Native Plant Society, Sacramento. |
CA |
Literature |
| Plant Services Division. Prohibited, regulated and restricted noxious weeds (1 May 2006). Arizona Department of Agriculture, Arizona. |
|
Literature |
| Reif, B., J. Larson, B.F. Jacobs, B.E. Nelson, and R.L. Hartman. 2009. Floristic studies in north central New Mexico, U.S.A. The Tusas Mountains and the Jemez Mountains. Journal of the Botanical Research Institute of Texas 3: 921-961. |
NM |
Literature |
| Ripley, J.D. 1994. Vegetation of the United States Air Force Academy and the adjacent Regions of the Pike National Forest, El Paso County, Colorado. Department of Biology, United States Air Force Academy, Colorado Springs. |
CO |
Literature |
| Shultz, Leila M. Personal communication. |
UT |
Literature |
| Specimen Management System for California Herbaria (SMASCH). |
CA |
Literature |
| Stevens, O.A. 1950. Handbook of North Dakota plants. Knight Printing Co., Fargo. |
ND |
Literature |
| WS. Specimen at Washington State University, Pullman, Washington. |
WA |
Specimen |
| WTU. Specimen at University of Washington, Seattle, Washington. |
WA |
Specimen |
| Welsh, S.L., N.D. Atwood, L.C. Higgins, and S. Goodrich. 1987. A Utah flora. Great Basin Naturalist Memoirs No. 9. Brigham Young University Press, Provo. |
UT |
Literature |
| Wilken, Dieter. Personal communication. |
CA |
Literature |
| Yatskievych, G., and J. Turner. 1990. Catalogue of the flora of Missouri. Monographs in Systematic Botany from the Missouri Botanical Garden 37. Missouri Botanical Garden, St. Louis. |
MO |
Literature |
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