Usnea cornuta
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Parmeliaceae
- genus: Usnea
- species: Usnea cornuta
Bowral
New South Wales
AustraliaThe Bottom
Saba
BQCucaita
Boyacá
ColombiaFrontera
Canary Islands
SpainKovanlık
Giresun
TurkeyCarmel-by-the-Sea
Eureka
Willits
CaliforniaChatham
MassachusettsLong Beach
North Bend
Westport
Washington
United StatesMérida
Mérida
Venezuela