This is a list of the genera of macrolichens in North America.

The photos are a sample from the contributions of the MO community.

To use the list, think of it as providing access to several taxonomic layers:
macrolichens → genera → species → a particular species.

(1) Click below on “Show Names” to produce a list of pointers to the genera of macrolichens in North America (137 genera at this moment, representing something on the order of 1354 species of NA macrolichens).

(2) Click on the name of a genus to go to the Name page for that genus.

(3) On the Name page for a genus, click on “Show Species” to see a list of all the species in that genus or click on “More Observations” to see observations which have been assigned to that genus but not to a specific species.

(4) On the Name page for a species, click on “More Observations” to see the observations for that species.

See Macrolichens of North America for a classification of the NA macrolichens and links to online resources.