Introductory
SPECIES: Quercus douglasii | Blue Oak 



ABBREVIATION : 
QUEDOU

SYNONYMS : 
NO-ENTRY


SCS PLANT CODE : 
   QUDO


COMMON NAMES : 
   blue oak
   California blue oak
   iron oak
   mountain white oak
   mountain oak


TAXONOMY : 
The currently accepted scientific name of blue oak is Quercus douglasii
Hook. & Arn. [35,40,53,65].  There are no recognized subspecies,
varieties, or forms.  

Blue oak hybridizes with the following species:
 
     x Q. turbinella Greene spp. californica Tucker (desert scrub
         oak):  Q. Xalvordiana Eastwd. [40,65]
     x Q. dumosa Nutt. (California scrub oak) [65]
     x Q. garryana Dougl. ex Hook. (Oregon white oak):  Q. Xeplingii
          C. H. Mull. [40,65]
     x Q. lobata Nee (valley oak):  Q. Xjolonensis Sarg. [40,65]


LIFE FORM : 
Tree

FEDERAL LEGAL STATUS : 
No special status

OTHER STATUS : 
NO-ENTRY


COMPILED BY AND DATE : 
Janet L. Howard, July 1992


LAST REVISED BY AND DATE : 
NO-ENTRY


AUTHORSHIP AND CITATION : 
Howard, Janet L. Quercus douglasii. In: Remainder of Citation

Related categories for Species: Quercus douglasii | Blue Oak