Creative Commons Licence

FAGACEAE Yolo County

Quercus douglasii Hook. & Arn.

Location: CA, USA; UC Davis Arboretum, Shields Oak Grove, Grid #14-E7; Shields Oak Grove Tree #211; Living Collections Number: A64.0406, Qualifier 20468. (Elevation: 50 ft.)

Plant Attributes: DBH: 84 cm; Very large tree. 1 trunk which is gray/brown with fissured bark. Branches touch the ground 1/4th of side.

Source: Wild Collected, California Native, Yuba River. 9-X-59?, potted 11-23-59.

Marlene Hahn


May 10, 2012

Phylogeny of the oaks of the Americas: Diversification of an ecologically important

clade across the tropical-temperate divide. (2012-2015 NSF Grant, DEB 114648)

Photographer: Albrecht, William. Publisher: Albrecht, William.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith