Parmotrema louisianae
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Parmeliaceae
- genus: Parmotrema
- species: Parmotrema louisianae
Buenavista
Cuautlapan
Zongolica
Veracruz
MexicoLower Grand Lagoon
FloridaCross Mountain
TexasWilliamsburg
Virginia
United States