Urban Tree Key
  • Resources
    • California Big Trees
    • Urban Tree Key
    • Urban Tree Inventory
    • Pacific Islands Tree Key
    • Urban Tree Detector
    • CA Native Trees
    • Tree Lists
  • Details
    • About UFEI
    • UFEI Publications
    • Citations
    • Urban Wood Information
    • Pitch Canker Task Force
Select Page

Urban Tree Key / Leaves simple / Leaves alternate / Margin wavy / Palmately veined / No sap / Lobed

Mature leaves <3″ wide or ≥3.5″ wide?

Leaves less than 3"wide

Trees occassionally thorny
Hawthorns (Crataegus spp.)

Leaves greater than or equal to 3.5" wide

Trees never thorny

Urban Forest Ecosystems Institute
NRES Department
California Polytechnic State University
San Luis Obispo, CA 93407

Privacy Notice and Web Accessibility Statement

No warranties or guarantees as to the accuracy of the data and information derived from this web site are expressed or implied. The California Polytechnic State University and the Cal Poly Corporation shall not be responsible for any loss of profit, indirect, incidental, special, or consequential damages arising out of the use of the data and information derived from this web site.

SelecTree | Urban Tree Key | California Big Trees