USDA ARS United States Department of Agriculture
Agricultural Research Service, Beltsville Area

Germplasm Resources Information Network (GRIN)

  GRIN Taxonomy for Plants
Jump to common names  Jump to economic impacts  Jump to distribution  Jump to references  Jump to synonyms  Jump to links to other online resources  Jump to images

***Please tell us why you value GRIN Taxonomy***

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
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 updated: 21-Jan-2014
Species priority site is: Natl. Germplasm Repository - Corvallis (COR).
Accessions: 83 in National Plant Germplasm System.

See also subordinate taxa:

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
  • dewberry   (Source: Vara kulturvaxt namn ) – Swedish   [Rubus ursinus subsp. ursinus]

Economic importance:

  • Harmful organism host: crop diseases   (fide Virus Diseases)
  • Harmful organism host: crop pests   (fide Virus Diseases)
  • Human food: fruit   (fide L Edible Pl; Cornucopia)
  • Gene sources: crop quality for blackberry   (fide F CalifJep; F Pacif NW)
  • Gene sources: primary genetic relative of blackberry   (based on crosses with cultivated blackberry fide HortSci 45:434. 2010)
  • Gene sources: primary genetic relative of red raspberry   (based on fertile hybrids with red raspberry fide Breeders Rubus)
  • Weed   (fide F Pacif NW)

Distributional range:

      Native: (links to other web resources are provided for some distributions)


  • Clark, J. R. et al. 2007. Chapter 2. Blackberry breeding and genetics. Pl. Breed. Rev. 29:19–144.
  • Converse, R. H., ed. 1987. Virus diseases of small fruits. USDA Agriculture Handbook 631.
  • Douglas, G. W. et al., eds. 1994. The vascular plants of British Colombia.
  • Encke, F. et al. 1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage.
  • FNA Editorial Committee. 1993–. Flora of North America.
  • Facciola, S. 1990. Cornucopia, a source book of edible plants.
  • Finn, C. E. et al. 2010. "Wild treasure" thornless trailing blackberry. HortScience 45:434–436. [a blackberry cultivar derived from Rubus ursinus].
  • Finn, C. et al. 2001. Breeders experiences with Rubus species. In: Finn, C. et al., Breeders experiences with Rubus species. 2001 [web based resource; this report cited Rubus ursinus as 7-13 polyploid; it can be crossed with 4-12 polyploid blackberry to produce fertile hybrids; it carries traits of interest to blackberry breeders].
  • Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California.
  • Hitchcock, C. L. et al. 1955–1969. Vascular plants of the Pacific Northwest.
  • Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening.
  • IPGRI. New World Fruits Database (on-line resource).
  • Kunkel, G. 1984. Plants for human consumption.
  • Liberty Hyde Bailey Hortorium. 1976. Hortus third.
  • Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2.
  • Munz, P. A. & D. D. Keck. 1959. A California flora.
  • Munz, P. A. 1974. A flora of southern California.
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  • Rehm, S. 1994. Multilingual dictionary of agronomic plants.
  • Scoggan, H. J. 1978–1979. The flora of Canada, 4 vol.
  • Thompson, M. N. 1995. Chromosome numbers of Rubus cultivars at the National Clonal Germplasm Repository. HortScience 30:1453–1456.
  • Walters, S. M. et al., eds. 1986–. European garden flora.
  • Wiggins, I. L. 1980. Flora of Baja California.


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

Check other web resources for images:

  • Google Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

| USDA | ARS | GRIN | NPGS | New Search |

Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (13 October 2015)

Please send us your comments

Close Window

Ctrl P to print