''Xanthoparmelia arida'' is a lichen which belongs to the ''Xanthoparmelia'' genus. The lichen is an arid shield lichen and is uncommon it is listed as apparently secure by the Nature Conservatory.
It is noted for being similar to ''
Xanthoparmelia joranadia''.
Description
Grows to around 3–8 cm in diameter with board dull yellow-green sub irregular lobes that extend 1–3 mm wide.
The underside is pale brown with simple rhizines approximately 0.3-0.6 mm long.
Habitat and range
Found in the North American southwest particularly in the US state of
Texas
Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...
.
Chemistry
''Xanthoparmelia arida'' has been recorded containing both
Lecanoric and
usnic acid
Usnic acid is a naturally occurring dibenzofuran derivative found in several lichen species with the formula C18H16O7. It was first isolated by German scientist W. Knop in 1844 and first synthesized between 1933-1937 by Curd and Robertson. Usnic a ...
s.
See also
*
List of ''Xanthoparmelia'' species
References
arida
Lichen species
Lichens of North America
Lichens described in 1979
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