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. (University of California publications in entomology ; v. 105)
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.
(University of California publications in entomology ; v. 105)