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| Lepraria impossibilis | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Lecanorales |
| Family: | Stereocaulaceae |
| Genus: | Lepraria |
| Species: | L. impossibilis
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| Binomial name | |
| Lepraria impossibilis Sipman (2004)
| |
Lepraria impossibilis is a species of leprose lichen in the family Stereocaulaceae.[1] It forms a powdery to membranous thallus with a well-defined margin and distinctive secondary metabolites, including lecanoric acid and pannaric acid 6-methylester. The species is morphologically similar to Lepraria cupressicola and L. vouauxii but can be distinguished by its chemical composition. Lepraria impossibilis grows on tree bark, mosses, and soil-covered rocks, occurring in forested and open habitats across South and Central America, including El Salvador, Bolivia, Chile, and Peru, as well as in Iran.