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Peltula euploca Jymm.jpg
Peltula euploca
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Subdivision: Pezizomycotina
Class: Lichinomycetes
Order: Lichinales
Family: Peltulaceae
Genus: Peltula
Type species
Peltula radicata

Peltula is a genus of small dark brown to olive or dark gray squamulose lichens that can be saxicolous (grow on rock)) or terricolous (grow on soil).[1] Members of the genus are commonly called rock-olive lichens.[1]:318 They are cyanolichens, with the cyanobacterium photobiont being from the Anacystis genus.[1] They are umbillicate with flat to erect squamule lobes that attach from a central holdfast or cluster of rhizenes.[1] Lichen spot tests are usually negative.[1]

The thallus of members of the genus are similar to members of Heppia, Psora, and Placidium, although the first genus has cyanobacteria from the Scytonema genus, and the latter two genera have green algae as the photobiont, and .[1]

The genus is in the Peltulaceae family.



  1. ^ a b c d e f Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2

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