Punctelia punctilla: taxon details and analytics

Domain
Kingdom
Fungi
Phylum
Ascomycota
Class
Lecanoromycetes
Order
Lecanorales
Family
Parmeliaceae
Genus
Punctelia
Species
Punctelia punctilla
Scientific Name
Punctelia punctilla

Summary description from Wikipedia:

Punctelia punctilla

Punctelia punctilla is a species of foliose lichen in the family Parmeliaceae. It is found in Africa, South America, and North America, where it grows on bark and on rocks. The main characteristics that distinguish Punctelia punctilla from other species of Punctelia are the presence of isidia on the thallus surface, a pale brown thallus undersurface, and the presence of lecanoric acid in the medulla.

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Images from inaturalist.org observations:

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Punctelia punctilla
©tom_carlberg, some rights reserved (CC-BY-NC)
Punctelia punctilla
©tom_carlberg, some rights reserved (CC-BY-NC)
Punctelia punctilla
©tom_carlberg, some rights reserved (CC-BY-NC)