Royle: John Forbes Royle, 

 1798-1858, United Kingdom 



Rudd: Velva Elaine Rudd, 

 1910- , United States 



Schottky: Ernst Max Schottky, 

 1888-1915, Germany 



Schrad.: Heinrich Adolph Schrader, 

 1767-1836, Germany 



Ruempler: Karl Theodor Riimpler, 

 1817-1891, Germany 



Ruiz: Hipolito Ruiz Lopez, 

 1754-1815, Spain, Peru, Chile 



Rupr.: Franz Joseph Ruprecht, 

 1814-1870, Czechoslovakia, Russia 



Schreber: Johann Christian Daniel von Schreber, 

 1739-1810, Germany 



Schub.: Bernice Giduz Schubert, 

 1913- , United States 



Schultes, J.A.: Josef August Schultes, 

 1773-1831, Austria 



Rushforth: K.D. Rushforth, 



fl. 1983, United Kingdom (Coniferae) 



Rydb.: Per Axel Rydberg, 

 1860-1931, United States 



Schultes, J.H.: Julius Hermann Schultes, 

 1804-1840, Austria 



Schultz, H.: Elmer H. Schultz, 

 fl. 1934, United States (Berberis) 



Salisb.: Richard Anthony Salisbury, 

 1761-1829, United Kingdom 



Sarg.: Charles Sprague Sargent, 

 1841-1927, United States (dendrology) 



Sav.: Paul Amedee Ludovic Savatier, 

 1830-1891, France (flora of Japan) 



Schaeffer: Jacob Christian Schaeffer, 

 1718-1790, Germany 



Schauer: Johannes Conrad Schauer, 

 1813-1848, Germany 



Scheele: Georg Heinrich Adolph Scheele, 

 1808-1864, Germany 



Schum.: Karl Moritz Schumann, 

 1851-1904, Germany 



Schwarz, O.: Otto Karl Anton Schwarz, 

 1900-1983, Germany 



Schwerin: Fritz Kurt Alexander von Schwerin, 

 1856-1934, Germany (dendrology) 



Scop.: Giovanni Antonio Scopoli, 

 1723-1788, Austria, Italy 



Sealy: Joseph Robert Sealy, 

 1907- , United Kingdom 



Seemann: Berthold Carl Seemann, 

 1825-1871, Germany 



Schelle: Ernst Schelle, 

 1864-1945, Germany (horticulture) 



Seemen: Karl Otto von Seemen, 

 1838-1910, Germany 



Schery: Robert Walter Schery, 

 1917-1987, United States 



Seldin: Margaret J. Seldin, 

 fl. 1976, United States 



Schiede: Christian Julius Wilhelm Schiede, 

 1798-1836, Germany 



Schlechtend.: Diederich Franz Leonhard von 



Schlechtendal, 



1794-1866, Germany 



Schmidt, F.: Friedrich Karl Schmidt, 

 1832-1908, Russia 



Schneid.: Camillo Karl Schneider, 



1876-1951, Germany, United States (dendrology) 



Sendtn.: Otto Sendtner, 

 1813-1859, Germany 



Ser.: Nicolas Charles Seringe, 

 1776-1858, France 



Sesse: Martin de Sesse y Lacasta, 

 1751-1808, Spain, Mexico 



Sharp: Aaron John Sharp, 

 1904- , United States 



232 



