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Circinaria
Genus, Lichen, Terrestrial
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Cladonia – Cup Lichen
Genus, Lichen, Terrestrial
crotail chòinnich, crotal còinnich
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Clandestinotrema
Genus, Lichen, Terrestrial
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Claurouxia
Genus, Lichen, Freshwater, terrestrial
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Clauzadea
Genus, Lichen, Freshwater, terrestrial
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Clauzadeana
Genus, Lichen, Terrestrial
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Cliostomum
Genus, Lichen, Terrestrial
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Coccotrema
Genus, Lichen, Terrestrial
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Coelocaulon
Genus, Lichen, Terrestrial
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Collema
Genus, Lichen, Freshwater, terrestrial
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Collemopsidium
Genus, Lichen, Freshwater, marine, terrestrial
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Conida
Genus, Lichen, Terrestrial
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Coniocarpon
Genus, Lichen, Terrestrial
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Coppinsia
Genus, Lichen, Terrestrial
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Cornicularia
Genus, Lichen, Terrestrial
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Cresponea
Genus, Lichen, Terrestrial
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Crocodia
Genus, Lichen, Terrestrial
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Crocynia
Genus, Lichen, Terrestrial
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Crutarndina
Genus, Lichen, Terrestrial
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Cryptodiscus
Genus, Lichen, Terrestrial