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Taxon: Rubus ursinus Cham. & Schltdl.

Genus: Rubus
Subgenus: Rubus
Section: Ursini
Family: Rosaceae
Subfamily: Rosoideae
Tribe: Rubeae
Nomen number: 32482
Place of publication: Linnaea 2:11. 1827
Link to protologue:
Comment: the first author to unite R. ursinus and R. vitifolius, two names of equal priority, seems to have been Brewer & Watson (in Bot. California 1:172-173. 1876), who chose R. ursinus (Melbourne ICN Art. 11.5)
Name Verified on: 09-Dec-1999 by ARS Systematic Botanists. Last Changed: 21-Jan-2014
Species priority site is: Natl. Germplasm Repository - Corvallis (COR)
Accessions: 84 (84 active, 47 available) in National Plant Germplasm System (GoogleMap)

Common names:

  • California blackberry  (Source: F CalifJep) - English
  • California dewberry  (Source: Cornucopia) - English
  • Douglas-berry  (Source: F Pacif NW) - English
  • Pacific blackberry  (Source: Dict Rehm) - English
  • Pacific dewberry  (Source: Hortus 3) - English

Economic Importance:

  • Harmful organism host: crop diseases; crop pests
  • Human food: fruit
  • Weed:

Distributional Range:


    Northern America
    • WESTERN CANADA: Canada [British Columbia (s.w.)]
    • NORTHWESTERN U.S.A.: United States [Idaho, Oregon, Washington]
    • SOUTHWESTERN U.S.A.: United States [California (w.-c. (Mendocino to San Luis Obispo Cos.))]
    • NORTHERN MEXICO: Mexico [Baja Norte (n.)]


  1. Clark, J. R. et al. 2007. Chapter 2. Blackberry breeding and genetics Pl. Breed. Rev. 29:19-144.
  2. Converse, R. H., ed. Virus diseases of small fruits. USDA Agriculture Handbook 631. 1987 (Virus Diseases)
  3. Douglas, G. W. et al., eds. The vascular plants of British Colombia. 1994 (F BritCol)
  4. Encke, F. et al. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage. 1984 (Zander ed13)
  5. Facciola, S. Cornucopia, a source book of edible plants. 1990 (Cornucopia)
  6. Finn, C. E. et al. 2010. "Wild treasure" thornless trailing blackberry (HortScience) 45:434-436.
  7. Finn, C. et al. 2001. Breeders experiences with Rubus species (Breeders Rubus)
  8. FNA Editorial Committee Flora of North America. (F NAmer)
  9. Hickman, J. C., ed. The Jepson manual: higher plants of California. 1993 (F CalifJep)
  10. Hitchcock, C. L. et al. Vascular plants of the Pacific Northwest. (F Pacif NW)
  11. Huxley, A., ed. The new Royal Horticultural Society dictionary of gardening. 1992 (Dict Gard)
  12. IPGRI New World Fruits Database (on-line resource). (New World Fruits)
  13. Kunkel, G. Plants for human consumption. 1984 (L Edible Pl)
  14. Liberty Hyde Bailey Hortorium Hortus third. (Hortus 3)
  15. Markle, G. M. et al., eds. Food and feed crops of the United States, ed. 2. 1998 (Food Feed Crops US)
  16. Munz, P. A. A flora of southern California. (F SCalif)
  17. Munz, P. A. & D. D. Keck A California flora. (F CalifMunz)
  18. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource). (Pl Names)
  19. Rehm, S. Multilingual dictionary of agronomic plants. 1994 (Dict Rehm)
  20. Scoggan, H. J. The flora of Canada, 4 vol. (F Canada)
  21. Thompson, M. N. 1995. Chromosome numbers of Rubus cultivars at the National Clonal Germplasm Repository (HortScience) 30:1453-1456.
  22. Walters, S. M. et al., eds. European garden flora. (Eur Gard F)
  23. Wiggins, I. L. Flora of Baja California. (F Baja)

Check other web resources for Rubus ursinus Cham. & Schltdl. :

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2019. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=32482. Accessed 23 March 2019.