- S1942-1943 #5: Edgar Anderson/Edgar Anderson (March 1, 1943–June 15, 1943)204 objects
- S2008-2009 #11: Seed Lab, Plant Pest Diagnostics Center (CA Dept. of Food and Agriculture)/Department of Agriculture, UC Davis (April 6, 2009–December 1, 2009)81 objects
- S1949-1950 #1: University of Washington/William Clifford Massey (dates unknown)76 objects
- S1987-1988 #41: University of North Carolina/Geirge R. Holcomb (March 29, 1988–July 6, 1990)74 objects
- S2009-2010 #8: Seed Lab, Plant Pest Diagnostics Center (CA Dept. of Food and Agriculture)/Deborah Meyer (February 12, 2010–July 30, 2010)23 objects
- S1971-1972 #1: Anthropology (UC Berkeley)/John Desmond Clark (July 14, 1971–February 18, 1976)22 objects
- S1969-1970 #3: University of California, Berkeley (July 7, 1969–December 14, 1970)16 objects
- S1975-1976 #39: Department of Nutritional Sciences (UC Berkeley) (December 2, 1975–December 18, 1975)16 objects
- S1996-1997 #12: Anthropology (UC Berkeley)/Robin Sewell (June 2, 1997–September 1, 2000)13 objects
- S1964-1965 #31: Science Center (Diablo Valley College) (1960–July 21, 1967)9 objects
- D2000.002: Arizona State University/Stephen H. Savage (January 28, 2000–n/a)8 objects
- S1963-1964 #82: Mesa Verde National Park/H. Douglas Osborne (May 6, 1964–September 1, 1964)7 objects
- S1970-1971 #82: Anthropology (UC Berkeley)/Thomas Roy Hester (February 11, 1971–April 20, 1973)7 objects
- S1976-1977 #15: UC Botanical Garden at Berkeley (September 26, 1976–September 26, 1976)7 objects
- S1964-1965 #72: Heard Museum (March 25, 1965–September 24, 1965)6 objects
- D2019.001: Amr Khalaf Shadhat (March 16, 2019–n/a)5 objects
- S1947-1948 #2: University of New Mexico, Albuquerque/E. F. Castetter (June 30, 1948–July 23, 1948)5 objects
- S1961-1962 #13: Anthropology (UC Berkeley)/Robert F. Murphy (August 29, 1961–August 29, 1961)5 objects
- S1965-1966 #40: Boyd Science Museum (November 11, 1965–January 14, 1966)5 objects
- S1967-1968 #149: Phoebe A. Hearst Museum of Anthropology/Albert B. Elsasser (June 24, 1968–June 24, 1968)5 objects