Lichen (3/9)

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).
Copyright © 2011 Marc Perkins
Size: 3504x1703 / 3.6MB
Size: 3504x1703 / 3.6MB
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