Observation 184288: Parmelia pseudosulcata Gyelnik

When: 2014-10-19

Collection location: near Gualala, California, USA [Click for map]

Who: nadmoray (nadmoray)

No specimen available

Proposed Names

26% (2)
Recognized by sight
56% (1)
Recognized by sight: isidiate, isidia seem exclusively along margins, lobes particularly slender and long, rhizines might be forking (instead of squarrose)
28% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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This is unusual
By: Jason Hollinger (jason)
2014-10-21 04:47:36 CEST (+0200)

I assumed you were right at first, but the more I look at this, the more intrigued I get. I can’t find any soredia. There are extremely few pseudocyphellae. It looks almost phyllidiate on the interior margins. Those slender branches are also striking. I think this is the rare oldgrowth species Parmelia pseudosulcata. I’ve never seen it, but it fits the description, at least. Cool!

Created: 2014-10-20 23:09:33 CEST (+0200)
Last modified: 2014-10-21 04:43:39 CEST (+0200)
Viewed: 29 times, last viewed: 2017-10-20 04:05:23 CEST (+0200)
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