Swingle, Deane B <br/><br/>
Textbook of systematic botany / 
Swingle, Deane B 
 - 3 ed. 
 -  McGraw-Hill Book Co., New York,  1962 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Specific topics in natural history of plants; Botany
<br/><br/><label>Dewey Class. No.: </label>581 SWI-T3