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)
President, Chair Communication Committee
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)