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''Caloplaca'' is a lichen genus, composed of 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, ISBN 978-0-300-19500-2〕 gold lichens, "orange lichens",〔(USDA Natural Resources Conservation Service Name Search )〕〔(Orange Lichen (Caloplaca), Encyclopedia of Life )〕 but they are not always orange, as in the case of ''C. albovariegata''.〔(Plants Profile for Caloplaca (orange lichen), USDA )〕 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 forests. A new species of ''Caloplaca'', ''C. obamae'', the first species to be named in honor of Barack Obama, was discovered in 2007 on Santa Rosa Island in California and published in March 2009. ==Gallery== Image:Caloplaca chrysodeta.jpg|''Caloplaca chrysodeta'' 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 luteoalba-1.jpg|''Caloplaca luteoalba'' Image:Caloplaca.saxicola.jpg|''Caloplaca saxicola'' Image:Caloplaca sideritis-1.jpg|''Caloplaca sideritis'' Image:Caloplaca thallincola.jpg|''Caloplaca thallincola'' Image:Caloplaca xanthostigmoidea-1.jpg|''Caloplaca xanthostigmoidea'' Image:Caloplaca feracissima-8.jpg|Spore from an acus in an apothecium of ''C. feracissima''; photographed through a compound microscope, ×1000 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Caloplaca」の詳細全文を読む スポンサード リンク
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