Blackened toadskin lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Umbilicariales
- family: Umbilicariaceae
- genus: Lasallia
- species: Lasallia pensylvanica
Amecameca de Juárez
México
Mexico
Springerville
Arizona- Lyons
Colorado- Branford
- Branford Center
- East Hampton
- Hartford
Connecticut- Lookout Mountain
Georgia- Napanoch
- Port Jervis
New York- Danbury
- Kings Mountain
North Carolina- Matamoras
Pennsylvania- Middletown
- Newport East
Rhode Island- Lookout Mountain
Tennessee- Brattleboro
Vermont
United States