-
By: Barkley, Fred A. (Fred Alexander), - Gutiérrez Villegas, Gabriel - Epling, Carl, - Killip, Ellsworth P. (Ellsworth Paine), - McVaugh, Rogers, - Moldenke, Harold N. (Harold Norman), - Smith, L. B. - Standley, Paul Carpenter, - Swallen, Jason R.
Type: List
In: Plant lists and correspondence
Date: 1949
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By: Barkley, Fred A. (Fred Alexander), - Constance, Lincoln, - Johnston, I. M. (Ivan Murray),
Type: List
In: Plant lists and correspondence
Date: 1949-1971
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By: Barkley, Fred A. (Fred Alexander), - Wurdack, John J. - Cuatrecasas, José
Type: List
In: Plant lists and correspondence
Date: 1949-1971
-
By: Barkley, Fred A. (Fred Alexander), - Gutiérrez Villegas, Gabriel - Correa Velasquez, Jairo - Rueda Reyes, Jaime - Clement, Ian D - Moore, Harold Emery Jr. - Smith, L. B.
Type: List
In: Plant lists and correspondence
Date: 1949-1971
-
By: Barkley, Fred A. (Fred Alexander), - Webster, Grady L. (Grady Linder),
Type: List
In: Plant lists and correspondence
Date: 1969
-
By: Barkley, Fred A. (Fred Alexander), - Hernández, Mauro - Hernández, J. - Morton, C. V. (Conrad Vernon)
Type: List
In: Plant lists and correspondence
Date: 1949-1971
-
By: Barkley, Fred A. (Fred Alexander), - Proctor, George R
Type: List
In: Plant lists and correspondence
Date: 1949-1971
-
By: Barkley, Fred A. (Fred Alexander), - Webster, Grady L. (Grady Linder),
Type: List
In: Plant lists and correspondence
Date: 1949-1971
-
By: Barkley, Fred A. (Fred Alexander), - Shetler, Stanwyn G.
Type: List
In: Plant lists and correspondence
Date: 1949-1971
-
By: Barkley, Fred A. (Fred Alexander), - Willard, Louis E. - Montoya, Francisco - Drouet, Francis, - Moldenke, Harold N. (Harold Norman), - Schweinfurth, Charles, - Wurdack, John J.
Type: List
In: Plant lists and correspondence
Date: 1966-1971