Old-school Taxonomy Versus Modern Biosystematics: Species-level Decisions in Stelgidopteryx and Empidonax

Authors

Ned K. Johnson

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Recommended Citation

Johnson, Ned K. (1994) "Old-school Taxonomy Versus Modern Biosystematics: Species-level Decisions in Stelgidopteryx and Empidonax," The Auk: Vol. 111: Iss. 3, Article 39.
Available at: https://digitalcommons.usf.edu/auk/vol111/iss3/39