About Lichens

In Colorado, 781 species of lichens in 198 genera have been reported. That means we have a LOT of work to do here! You can find a complete checklist with information about each species at the Colorado Lichen Flora Checklist, adapted from the Catalog of the Colorado Flora: A Biodiversity Baseline (Weber & Wittmann 1992) and updated online with new listings and nomenclature.

Note that names on this website are based largely on the Catalog, and/or may also reference other names. Our goal is to make it current with the updated checklist above. In due time!

Crustose lichens are introduced, but the focus here is on macrolichens for the most part. Explore these and other forms on our Shapes and Sizes pages. We are gradually adding species profiles to our blog pages.

Lichen Symbiosis

Lichens and People

Lichens and Wildlife (I’m working on it!)

Lots More Resources

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