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Niebla pulchribarbara : ウィキペディア英語版 | Niebla pulchribarbara
''Niebla pulchribarbara '' is a rare fruticose lichen that occurs on sandy beaches or gravelly soil along the Pacific Coast, at San Antonio del Mar and at Bahía de San Quintín, Baja California.〔Spjut, R. W. 1996. ''Niebla'' and ''Vermilacinia'' (Ramalinaceae) from California and Baja California. Sida Bot. Misc. 14〕 The epithet, ''pulchribarbara'', is in reference to the strikingly beautiful lichen mat formed by the thallus. ==Distinguishing Features==
''Niebla pulchribarbara'' is distinguished by a hemispherical mat-like thallus, divided into numerous tangled sublinear-prismatic branches〔Linear: having parallel margins 10 times or more longer than wide. Prismatic: appearing like a prism in cross section of a branch〕 to 8 cm high and 16 cm across, and by containing the lichen substance protocetraric acid, without triterepenes.〔 The species (''N. pulchribarbara'') is known only from two locations in Baja California: (1) growing on stony ground on a mesa above San Antonia del Mar, and (2) growing on sand at Bahía de San Quintín.
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