| Documentation |
State |
Type |
| 1985. Wassman Journal of Biology. |
CA |
Literature |
| 1991. Douglasia. |
WA |
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, WA |
Literature |
| Anonymous. Personal communication to John Kartesz. |
CA |
Literature |
| Bluhm, Wilbur. Personal communication. |
OR |
Literature |
| Brouillet, L., F. Coursol, and M. Favreau. 2006. VASCAN. The database of Canadian vascular plants. Herbier Marie-Victorin, Institut de recherche en biologie végétale, Université de Montréal. |
BC |
Literature |
| Clifton, G. Plumas County and Plumas National Forest flora (2001 Draft). Unpublished and undated. |
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. |
CA, OR |
Literature |
| Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. |
CA |
Literature |
| Hitchcock, C.L., A. Cronquist, M. Ownbey, and J.W. Thompson. 1969. Vascular plants of the Pacific Northwest. 5 vols. University of Washington Press, Seattle. |
WA |
Literature |
| Keil, D.J. 1987. Preliminary list of the vascular flora of the Arroyo de la Cruz Region, San Luis Obispo County, California. Unpublished. |
CA |
Literature |
| Monroe, Gary. 8 May 2004. Field observation validated by NPDC staff. |
CA |
Observation |
| Munz, P.A., and D.D. Keck. 1968. A California flora and supplement. 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 Unpublished and undated.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 Unpublished and undated.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 |
| Wilken, Dieter. Personal communication. |
CA |
Literature |
Printer-Friendly
