By: Gray, Asa, - Kolderup-Rosenvinge, J. L. A. (Janus Lauritz Andreas), - Robb, James, - Robbins, James Watson, - Robeson, Andrew, - Robinson, Benjamin Lincoln, - Robinson, John, - Robinson, W. (William), - Rodgers, John, - Rogers, William Barto

1902 article in the Proceedings of the American Academy of Arts and Sciences

Boston, Mass.,1902 | New York Botanical Garden, LuEsther T. Mertz Library

By: Davenport, George E. (George Edward), - Rand, Edward L. (Edward Lothrop), - Redfield, John Howard, - Reverchon, Julien, - Robinson, Benjamin Lincoln, - Robinson, John, - Rooney, Bridget M., - Rose, J. N. (Joseph Nelson), - Roy, Jessie, - Rug

archival material; correspondence 1872-1917

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

By: Farlow, W. G. (William Gilson), - Renauld, Ferdinand, - Richards, Herbert M. (Herbert Maule), - Ricker, Percy Leroy, - Ricksecker, Alfred Edmund, - Riddle, Lincoln W. (Lincoln Ware), - Robinson, Benjamin Lincoln, - Robinson, C. B. (Charles B