Biology:Caloplaca saxicola

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Short description: Species of lichen

Caloplaca saxicola

Secure (NatureServe)[1]
Scientific classification edit
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Teloschistales
Family: Teloschistaceae
Genus: Caloplaca
Species:
C. saxicola
Binomial name
Caloplaca saxicola
(Hoffm.) Nordin
Synonyms[2]
  • Psora saxicola Hoffm.

Caloplaca saxicola is a small bright orange crustose lichen that grows on rock all over the world.[3]: 245–6  It is commonly called rock firedot lichen,[3]: 245  jewel lichen or rock jewel lichen.

It has short, inflated looking elongate 1–2 mm and .3-.1 mm wide lobes that have an abrupt margin at the edge, and no prothallus.[4] It lacks isidia or soredia.[4] Apothecia may be immersed in the thallus or adnate to it, with rims of thallus-like tissue (lecanorine) with orange, flat, .4–1 mm wide epruinose discs.[4] Aptohecia develop near the lobe tips. C. ignea and C. impolita are similar but bigger, and have apothecia that form near the thallus center.[4]

In California, it is one of the most common saxicolous lichens.[3]: 245–6  This lichen occurs over a portion of northern North America.[5] A specific example occurrence is within the northern reaches of the Canadian Boreal forests, where Black Spruce is a dominant tree.[6]

See also

References

  1. NatureServe. "Caloplaca saxicola" (in en). Arlington, Virginia. https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.126318/. 
  2. Caloplaca saxicola in Index Fungorum
  3. 3.0 3.1 3.2 Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
  4. 4.0 4.1 4.2 4.3 Lichen Flora of the Greater Sonoran Desert Region. Vol 3, Nash, T.H., Ryan, B.D., Gries, C., Bugartz, F., (eds.) 2001, [1]
  5. Irwin M. Brodo, Sylvia Duran Sharnoff, Stephen Sharnoff and Susan Laurie-Bourque. 2001
  6. Michael Hogan. 2008. Black Spruce: Picea mariana, GlobalTwitcher.com, ed. Nicklas Stromberg


Wikidata ☰ Q5023253 entry