''Caloplaca'' is a lichen genus comprising a number of distinct species. Members of the genus are commonly called firedot lichen, jewel lichen.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, gold lichens, "orange lichens",USDA Natural Resources Conservation Service Name Search
/ref> but they are not always orange, as in the case of '' C. albovariegata''.Plants Profile for Caloplaca (orange lichen), USDA
/ref> The distribution of this lichen genus is worldwide, extending from Antarctica to the high Arctic. It includes a portion of northern North America and the Russian High Arctic. There are about thirty species of ''Caloplaca'' in the flora of the British Isles. An example species in this genus is '' Caloplaca saxicola'', a lichen with worldwide distribution including the Antarctic continent, Europe and northern North America including the northern reaches of the Canadian

boreal forest Taiga (; rus, тайга́, p=tɐjˈɡa; relates to Mongolic and Turkic languages), generally referred to in North America as a boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces ...

s. A new species of ''Caloplaca'', '' C. obamae'', the first species to be named in honor of

Barack Obama Barack Hussein Obama II ( ; born August 4, 1961) is an American politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party (United States), Democratic Party, Obama was the first Af ...

, was discovered in 2007 on Santa Rosa Island in

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

and published in March 2009.

List of species

List of ''Caloplaca'' species

Gallery

Image:Caloplaca chrysodeta.jpg, ''

Caloplaca chrysodeta ''Caloplaca'' is a lichen genus comprising a number of distinct species. Members of the genus are commonly called firedot lichen, jewel lichen.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, gold lichens, "or ...

'' Image:Caloplaca citrina-2.jpg, '' Caloplaca citrina'' Image:Caloplaca feracissima-2.jpg, '' Caloplaca feracissima'' Image:Caloplaca flavorubescens.jpg, '' Caloplaca flavorubescens'' Image:Caloplaca flavovirescens.jpg, '' Caloplaca flavovirescens'' Image:Caloplaca ignea Arup 711912 crop.jpg, ''

Caloplaca ignea ''Igneoplaca'' is a genus in the subfamily Xanthorioideae of the family Teloschistaceae. It contains a single species, the crustose lichen ''Igneoplaca ignea''. Taxonomy This species was first formally described in 1995 by Swedish lichenologi ...

'' Image:Caloplaca luteoalba-1.jpg, '' Caloplaca luteoalba'' Image:Caloplaca.saxicola.jpg, '' Caloplaca saxicola'' Image:Caloplaca sideritis-1.jpg, '' Caloplaca sideritis'' Image:Caloplaca thallincola.jpg, ''

Caloplaca thallincola ''Caloplaca'' is a lichen genus comprising a number of distinct species. Members of the genus are commonly called firedot lichen, jewel lichen.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, gold lichens, "or ...

'' Image:Caloplaca xanthostigmoidea-1.jpg, ''

Caloplaca xanthostigmoidea ''Caloplaca'' is a lichen genus comprising a number of distinct species. Members of the genus are commonly called firedot lichen, jewel lichen.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, gold lichens, "or ...

'' Image:Caloplaca feracissima-8.jpg, Spore from an acus in an apothecium of ''C. feracissima''; photographed through a compound microscope, ×1000

References

* Lichen genera Teloschistales genera Taxa named by Theodor Magnus Fries Taxa described in 1871 {{Teloschistales-stub