Morton, Conrad Vernon, 1905-1972. <br/><br/>
William Roxburgh's fern types 
by C. V. Morton 
 - U.S. Govt. Print. Off., Washington  Smithsonian Institution Press; for sale by the Supt. of Docs.  1974 
 - 396 p. ; 24 cm. 
 - United States. National Museum. v.38,pt.7. v.38,pt.7.ContributionsfromtheUnitedStatesNationalHerbarium, .
<br/><br/> 'Bulletin of the United States National Museum.'  Includes index. 
<br/><br/><label>LCCN: </label>74-191727 
<br/><br/><label>Subjects--Personal Names: </label><br/>Roxburgh, William, 1751--1815
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ferns--Type Specimens<br/>Botany--Type specimens