| Documentation |
State |
Type |
| 2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley. |
CA |
Literature |
| EOSC. Specimen at Eastern Oregon University, Lagrande, Oregon. |
OR |
Specimen |
| Flora of North America Editorial Committee, (eds.). 1993. Flora of North America north of Mexico. 3+ vols. Oxford University Press, New York and Oxford. |
OR |
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 Unpublished and undated.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 Douglas County Museum, Roseburg, Oregon. |
OR |
Specimen |
| Specimen at Linfield College, McMinnville, Oregon. |
OR |
Specimen |
| Straw, R. Jackson and Josephine County checklist. Unpublished and undated. |
OR |
Literature |
| WS. Specimen at Washington State University, Pullman, Washington. |
WA |
Specimen |
| WTU. Specimen at University of Washington, Seattle, Washington. |
WA |
Specimen |
| Washington Natural Heritage Program. 2002. Endangered, threatened and sensitive vascular plants of Washington (20 October 2002). Washington State Department of Natural Resources, Washington. |
|
Literature |
| Washinton Natural Heritage Program. |
WA |
Literature |
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