Species
Lepraria finkii (Fluffy dust lichen)
Lepraria finkii. Photo: no rights reserved
Lepraria is a genus of leprose crustose lichens that grows on its substrate like patches of granular, caked up, mealy dust grains. Members of the genus are commonly called dust lichens.:305 The main vegetative body (thallus) is made of patches of soredia (little balls of algae wrapped in fungus). There are no known mechaisms for sexual reproduction, yet members of the genus continue to speciate. Some species can form marginal lobes and appear squamulose.
Sightings
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