Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Yale Library COVID-19 updates.

Taxonomic Keys: Home

This guide covers resources for helping to identify plants or animals.


Welcome to the Taxonomic Key Subject Guide. In this guide you'll find:

  • links to and selected lists of sources with taxonomic keys
  • links to databases for botany and zoology for locating literature on taxonomic keys

Purchase Request

To submit a collections purchase request to the library click here: Purchase Request. A library selector will be in touch with you.

Selected Books with Taxonomic or Identification Keys (click on covers & arrows)

Major Taxonomic Keys Resources (online)

Science Research Support Librarian - Life Sciences

Profile Photo
Lori Bronars
219 Prospect St., PO Box 208111 New Haven, CT 06520-8111

Marx Science and Social Science Library | Yale University Library C38 Kline Tower
Yale University

Office hours: Mondays 10:15-11:15 am BASS 205 (when classes are in session)
203 432 6213