Fonte: Wikipedia. Paginas: 72. Capitulos: George Ledyard Stebbins, David M. Spooner, Norris H. Williams, John James Audubon, James Dwight Dana, John Eatton Le Conte, John Bartram, John Abbot, Harold Ernest Robinson, Barbara McClintock, George Washington Carver, Charles Bessey, Francis Whittier Pennell, John Wesley Powell, Asa Gray, Jose Cuatrecasas, Leslie Andrew Garay, Frederic Edward Clements, Liberty Hyde Bailey, David Starr Jordan, Edmund Ware Sinnott, Benjamin Smith Barton, John Banister, William Mark Whitten, Carlyle August Luer, William Baldwin, Lyman Bradford Smith, Thomas Jonathan Burrill, Albert Kellogg, Sandra Diane Knapp, Henry Nicholas Bolander, Moses Marshall, Jonathan Ott, Mary Katharine Curran, William Darlington, Caroline Kathryn Allen, John Merle Coulter, Luther Burbank, Hans Hermann Behr, Elmer Drew Merrill, Norman Taylor, Eric A. Christenson, James D. Ackerman, Joel Roberts Poinsett, Robert Louis Dressler, Robert Whittaker, Laurence Skog, Thomas Potts James, Carl Leslie Withner, James Greenlief Brown, William Gilson Farlow, Peter Henry Rolfs, Mary Gibson Henry, Louis Otho Williams, Elias Judah Durand, Thomas Walter, Arthur J. Cronquist, Lewis Caleb Beck, Dieter Carl Wasshausen, John Charles Fremont, Robert Folger Thorne, Lone Aagesen, Amos Eaton, Nathaniel Lord Britton, George Francis Atkinson, Fred Jay Seaver, Sereno Watson, Johnny Appleseed, Annie Morrill Smith, Humphry Marshall, George Engelmann, Carlton Elmer Purdy, David Hendricks Bergey, John Muirhead Macfarlane, Moses Ashley Curtis, Rolla Kent Beattie, Alvah Augustus Eaton, Herbert Huntington Smith, Jesse More Greenman, William Bartram, Roger Brown, James Francis Macbride, Albert Charles Smith, Edward Frederick Anderson, Edward Sprague Rand, John Torrey, Henry Shaw, David E. Bennett, Duncan Starr Johnson, Charles Christopher Parry, David Fairchild, Joseph Nelson Rose, Lexemuel Ray Hesler, Howard Scott Gentry, Franklin Sumner Earle, Marcus Eugene Jones, Conrad Vernon Morton, Henry Willi...