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Niebla effusa : ウィキペディア英語版 | Niebla effusa
''Niebla effusa '' is a fruticose lichen that grows on gravelly soil along the foggy Pacific Coast of Baja California from near Punta Colonet south to near near Punta Rosarito.〔Spjut, R. W. 1996. ''Niebla'' and ''Vermilacinia'' (Ramalinaceae) from California and Baja California. Sida Bot. Misc. 14〕 The epithet, ''effusa'' is in reference to the thallus spreading widely along the surface. ==Distinguishing Features==
''Niebla effusa'' is recognized by the thallus divided into a tangled mat of irregularly cylindrical-prismatic branches without a central connection at base–to as much as 1 meter in diameter, weighing more than 1 kg—and by the ultimate parts of the primary branches becoming hooked, dilated, and fringed from which there are many erect branchlets.〔 Black dot-like pycnidia are usually infrequent and scattered along the branch margins and cortical ridges. A key lichen substance is salazinic acid, which may be accompanied by an unknown, possibly scabrosin derivative. Triterpenes are absent as in all species in the depsidone species group.〔
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