Safford, William E. (Deceased)
Samper, Cristián (Non-resident)
Schwarz, Eugene A. (Deceased)
Scofield, Carl S. (Deceased)
Setzer, Henry W. (Deceased)
Shannon, Raymond C. (Deceased)
Shear, Cornelius L. (Deceased)
Shetler, Stanwyn G. (Deceased)
Shoemaker, Clarence R. (Deceased)
Short, Lester L., Jr. (Former Member)
Slattery, Richard G. (Former Member)
Smith, Albert C. (Deceased)
Smith, Hugh M. (Deceased)
Smith, Lyman B. (Deceased)
Sohns, Ernest R. (Deceased)
Vice President
Soreng, Robert J. (Active)
United States National Museum of Natural History
Plant systematics/Poaceae
Spangler, Paul J. (Deceased)
Standley, Paul C. (Deceased)
Stejneger, Leonhard A. (Deceased)
Stern, William L. (Former Member)
Steury, Brent W. (Former Member)
Stevenson, James O. (Deceased)
Stewart, Robert E. (Deceased)
Stickel, William H. (Deceased)
Streeter, Robert G. (Non-resident)
Swales, Bradshaw H. (Deceased)
Swallen, Jason R. (Deceased)
Swift, Ernest F. (Deceased)
Swift, Lloyd W. (Deceased)