Caloplaca saxicola

Caloplaca saxicola
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Subclass: Lecanoromycetidae
Order: Teloschistales
Family: Teloschistaceae
Genus: Caloplaca
Species: C. saxicola
Binomial name
Caloplaca saxicola

Caloplaca saxicola is a small bright orange crustose lichen that grows on rock all over the world.[1]:245-6 It is commonly called rock firedot lichen,[1]: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.[2] It lacks isidea or soredia.[2] 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.[2] Aptohecia develop near the lobe tips. C. ignea and C. impolita are similar but bigger, and have apothecia that form near the thallus center.[2]

In California, it is one of the most common saxicolous lichens.[1]:245-6 This lichen occurs over a portion of northern North America.[3] A specific example occurrence is within the northern reaches of the Canadian Boreal forests, where Black Spruce is a dominant tree.[4]

See also

References

  1. 1 2 3 Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
  2. 1 2 3 4 Lichen Flora of the Greater Sonoran Desert Region. Vol 3, Nash, T.H., Ryan, B.D., Gries, C., Bugartz, F., (eds.) 2001,
  3. ↑ Irwin M. Brodo, Sylvia Duran Sharnoff, Stephen Sharnoff and Susan Laurie-Bourque. 2001
  4. ↑ Michael Hogan. 2008. Black Spruce: Picea mariana, GlobalTwitcher.com, ed. Nicklas Stromberg Archived October 5, 2011, at the Wayback Machine.
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