The University of California flag is flown at half-staff at the Memorial Union, Mrak Hall and the UC Davis Airport for three days to honor deceased students, staff, faculty and faculty emeriti. When the flag is at half-staff, a memorial card is posted on the flagpole to recognize the memory of that individual.

The flag is being flown at half-staff from June 25–27, 2022 to honor:

Dr. Paul Castelfranco

Professor Emeritus (WOS)

Plant Biology Department

October 16, 1921–December 1, 2021