Revision of the genus Enallagma of the United States west of the Rocky Mountains and identification of certain larvae by discriminant analysis (Odonata : Coenagrionidae) - Garrison, Rosser W. (Berkeley, Calif. : University of California Press, 1984)
Bibliography : p.56-61.
Keywords: Enallagma -- Classification; Enallagma -- Larvae -- Identification; Insects -- Classification; Insects -- Larvae -- Identification; Insects -- West (U.S.) -- Classification; Insects -- West (U.S.) -- Larvae -- Identification