On the precipice: orange lichen

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A tiny orange lichen growing on the tip of a gray rock, making it appear as though they're growing on the edge of a cliff.  The lichen's thalli appear to be tiny (less than 1mm across).  I believe this may be in _Caloplaca_ (_Caloplaca holocarpa_ or _Caloplaca lithophila_?) or possibly _Xanthoria_, but I'm not certain. This lichen was found in Vasquez Rocks County Park in Los Angeles County.  The scale bar is 5mm (contact me if you want a version of the image without the scale bar).
A tiny orange lichen growing on the tip of a gray rock, making it appear as though they're growing on the edge of a cliff. The lichen's thalli appear to be tiny (less than 1mm across). I believe this may be in _Caloplaca_ (_Caloplaca holocarpa_ or _Caloplaca lithophila_?) or possibly _Xanthoria_, but I'm not certain. This lichen was found in Vasquez Rocks County Park in Los Angeles County. The scale bar is 5mm (contact me if you want a version of the image without the scale bar).
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Vasquez Rocks, Lichen
Keywords:
  • 60mm efs
  • California
  • Los Angeles County
  • Vasquez Rocks
  • closeup
  • fungus
  • lichen
  • macro
  • rock