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Niebla lobulata
''Niebla lobulata'' is a fruticose lichen that grows on rocks in the fog regions along the Pacific Coast of Baja California, from Bahía de San Quintín to Vizcaíno Peninsula and offshore islands, Isla San Martín,〔Isla San Martin, MapCarta, retrieved 22 Dec 2014, http://mapcarta.com/20316724〕 and Guadalupe Island.〔Spjut, R. W. 1996. ''Niebla'' and ''Vermilacinia'' (Ramalinaceae) from California and Baja California. Sida Bot. Misc. 14〕 The epithet, ''lobulata'' is in reference to the lobed margins of the thallus branches.
==Distinguishing Features==
''Niebla lobulata'' is distinguished by a thallus divided into mostly strap-shaped branches from a basal holdfast, the branches not more than 20 in number, wide spreading above a short tapered and narrow base, occasionally dividing into similar branches, the branch margins often wavy (undulate), and/or lobed, or lacerated, the whole thallus not more than 7 cm high.〔 The species (''N. lobulata'') also recognized by containing sekikaic acid (with triterpenes), and by a relatively thin cortex, (0-)35–75(-100) µm thick, eroding near base, covering a fistulose medulla (solid on Guadalupe Island), which seems related to the contorted appearance of the branches.〔 The species (''N. lobulata'') is most similar to ''Niebla undulata'', which differs by having the lichen substance of divaricatic acid, instead of sekikaic acid.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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