The United States, defined politically, is not a category used in the World Geographical Scheme for Recording Plant Distributions. In the WGSRPD, the flora of the United States is divided as follows (here adapted for use with lichen flora).
- The Aleutian Islands and Alaska are included in Category:Lichens of Subarctic America
- The contiguous United States is divided between
- Category:Lichens of the Northwestern United States
- Category:Lichens of the North-Central United States
- Category:Lichens of the Northeastern United States
- Category:Lichens of the Southwestern United States
- Category:Lichens of the South-Central United States
- Category:Lichens of the Southeastern United States
- Hawaii is included in Category:Lichens of the Pacific
- The flora of other entities politically associated with the United States include:
- Category:Lichens of American Samoa – part of Category:Lichens of Samoa
- Category:Lichens of Guam – part of Category:Lichens of the Mariana Islands
- Category:Lichens of the Northern Mariana Islands – part of Category:Lichens of the Mariana Islands
- Category:Lichens of Puerto Rico – part of Category:Lichens of the Caribbean
- Category:Lichens of the United States Virgin Islands – part of Category:Lichens of the Leeward Islands
Pages in category "Lichens of the United States"
The following 58 pages are in this category, out of 58 total. This list may not reflect recent changes.