The epithet, " sorediata ", is in reference to the development of soredia ( soredium }.
2.
The local region is home to other rare plants, including " Eriogonum soredium " ( Frisco buckwheat ) and " Lepidium ostleri " ( Ostler s peppergrass ).
3.
Another similar species, " Niebla sorediata ", which has a relatively thin cortex, 30 40 �m thick, differs by the granular appearance of the isidia that become sorediate ( soredium ) . " Niebla isidiosa " was probably derived from " N . testudinaria ", which also occurs on Guadalupe Island.
4.
Sinuous cortical ridges are generally characteristic of the sekikaic-acid species " Niebla siphonoloba " throughout its geographical range, which in lichens is rarely mentioned, and when it is, it usually is in context with chemical variation . or vegetative diasporas such as soredia ( [ soredium ] ) and isidia ( [ isidium ] ).
5.
"Niebla sorediata " is distinguished by a thallus divided into subtubular-prismatic branches from a pale yellow pigmented holdfast, the primary branches from the holdfast generally oblong in outline, to 5 cm long and 1.0 3 mm wide, branching above base but from below the middle, with obscure cortical ridges between branch margins, the cortical ridges along branch margins with short rod-like isidia ( isidium ) that develop one to three terminal capitate granular soralia ( soredium ), and by containing divaricatic acid, with triterepenes.
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