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FAGACEAE Yolo County

Quercus gravesii Sudw.

Location: CA, USA; UC Davis Arboretum, Shields Oak Grove, Grid #14-C8; Shields Oak Grove Tree #213; Living Collections Number: A86.0445, Qualifier 20393. (Lat: 38.528765, Long: -121.763863, Elevation: 50 ft.)

Plant Attributes: Height: 13.73 m; Light gray & brown bark. At 1.2m, tree divides into ~ 7 branches.

Source: Inst. of Forest Genetics, Placerville, CA: TX: Big Bend National Park. Barton Warnock (Sulross College, Alpine, TX) s.n. Donated by Phil Barker who grew them.

Marlene Hahn

# CA-DAV-MH45

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.