| Documentation |
State |
Type |
| 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. |
WA |
Literature |
| Booth, W.E., and J.C. Wright. 1966. Flora of Montana. Montana State University, Bozeman. |
MT |
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 |
| Coile, N.C. 1988. Taxonomic studies on the deciduous species of Ceanothus L. (Rhamnaceae). Ph.D. Dissertation. University of Georgia, Athens. |
OR |
Literature |
| Davis, R. 1952. Flora of Idaho. W.C. Brown Co., Dubuque. |
ID |
Literature |
| Dorn, R.D. 1984. Vascular plants of Montana. Mountain West Publishers, Cheyenne. |
MT |
Literature |
| Fernald, M.L. 1950. Gray's manual of botany, 8th ed. American Book Company, New York. |
SD |
Literature |
| Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. |
CA |
Literature |
| Michigan Natural Features Inventory. 1999. Michigan's special plants (20 October 2002). Michigan Department of Natural Resources, Michigan. |
|
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 Unpublished and undated.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 |
| U.S. Fish and Wildlife Service. 1988. National list of vascular plant species that occur in wetlands. U.S. Fish & Wildlife Service Biological Report 88 (26.9). |
|
Literature |
| U.S. Fish and Wildlife Service. 1993. 1993 supplement to list of plant species that occur in wetlands: Northwest (Region 9). Supplement to U.S. Fish & Wildlife Service Biological Report 88 (26.9). |
|
Literature |
| Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills. |
MI |
Literature |
| BOIS. Specimen at Rocky Mountain Research Station, Boise, Idaho. |
ID |
Specimen |
| ID. Specimen at University of Idaho, Moscow, Idaho. |
ID |
Specimen |
| SRP. Specimen at Boise State University, Boise, Idaho. |
ID |
Specimen |
| WS. Specimen at Washington State University, Pullman, Washington. |
WA |
Specimen |
| WTU. Specimen at University of Washington, Seattle, Washington. |
WA |
Specimen |
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