Observation 49342: Rhizocarpon geographicum (L.) DC.

Notes:
Like Pleopsidium, growing on dry granite, shaded from direct sun. 3000m

[admin – Sat Aug 14 01:59:49 +0000 2010]: Changed location name from ‘Darwin Canyon, Kings Canyon National Park, California, USA’ to ‘Darwin Canyon, Death Valley National Park, California, USA’

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another species group
By: Jason Hollinger (jason)
2010-07-29 10:54:15 PDT (-0700)

There are apparently “more than a dozen” (Brodo 2001) species in this group, including R. macrosporum, which differs only in spore size but is otherwise identical.

Created: 2010-07-29 06:48:46 PDT (-0700)
Last modified: 2013-07-22 13:15:20 PDT (-0700)
Viewed: 25 times, last viewed: 2019-02-04 11:37:00 PST (-0800)
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