Observation 49342: Rhizocarpon geographicum (L.) DC.
When: 2010-07-23
No herbarium specimen

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

Proposed Names

28% (1)
Eye3
Recognized by sight
56% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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another species group
By: Jason Hollinger (jason)
2010-07-29 12:54:15 CDT (-0500)

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 08:48:46 CDT (-0500)
Last modified: 2013-07-22 15:15:20 CDT (-0500)
Viewed: 22 times, last viewed: 2016-03-24 04:40:27 CDT (-0500)
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