North American Lichen Checklist

This cumulative checklist for Lichen-forming, Lichenicolous and Allied Fungi of the Continental United States and Canada, consists of updates to the most recently published North American checklist (Esslinger 2019). Access the latest cumulative checklist, Version 24. 

Citation: Esslinger, T.L. 2021. A cumulative checklist for the lichen-forming, lichenicolous and allied fungi of the Continental United States and Canada, version 24. Opuscula Philolichenum 20: 100-394. 

The forthcoming Version 25 will be co-authored by Ted Esslinger and KU Botany Collection Manager Caleb A. Morse. Please inform Caleb of any oversights, omissions, additions, or changes by providing him electronic or paper copies.