This category contains articles related to the native lichens of North America. For the purposes of this category, "North America" excludes Central America and the Caribbean.
- For the purposes of this category, "North America" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions (WGSRPD), which calls it Northern America, namely as one of the nine "botanical continents". It includes the following regions:
- The WGSRPD defines Northern America differently from the usual geographical definition of North America. Central America and the Caribbean are treated as part of the botanical continent of Southern America; see Category:Lichens of Central America and Category:Lichens of the Caribbean. The flora of Hawaii is included in Category:Lichens of the Pacific.
- Native taxa of the lowest rank are included if they occur widely in the botanical continent, otherwise they should be included in the flora of one or more of the constituent regions. Higher taxa are included only if endemic.