Garrison, Rosser W. <br/><br/>
Revision of the genus Enallagma of the United States west of the Rocky Mountains and identification of certain larvae by discriminant analysis (Odonata :  Coenagrionidae) / 
by Rosser W. Garrison. 
 - Berkeley, Calif. :  University of California Press,  1984. 
 - 129 p. :  ill. ;  25 cm. 
 - University of California publications in entomology ;  v. 105 .
<br/><br/>Bibliography : p.56-61. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enallagma--Classification.<br/>Enallagma--Larvae--Identification.<br/>Insects--Classification.<br/>Insects--Larvae--Identification.<br/>Insects--West (U.S.)--Classification.<br/>Insects--West (U.S.)--Larvae--Identification.