Observation 197299: Lichen P. Micheli

Proposed Names

17% (2)
Recognized by sight: on cypress bark flakes
28% (1)
Recognized by sight
56% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Oooh, I’d love to see specimens of these CA coastal graphids
By: Jason Hollinger (jason)
2015-01-28 20:29:02 GMT (+0000)

Yeah, just verified it, Opegrapha is RoccellaceaeArthonialesArthoniomycetes; Graphis is GraphidaceaeOstropalesLecanoromycetes. Nearest link is Pezizomycotina. Wild, right? Talk about convergent evolution!

By: Christian (Christian Schwarz)
2015-01-28 20:13:30 GMT (+0000)

Not even the same family. This is on a cypress at a place I work occasionally, I can get a specimen if anyone’s interested.

Not even the same family as Graphis, surprisingly
By: Jason Hollinger (jason)
2015-01-28 08:32:38 GMT (+0000)

Opegrapha can look superficially very similar, but the exciple is fully carbonized all the way around. The broadly-opened “disk” suggests O. varia, but I don’t know the west coast Opegrapha at all. Definitely need to see spores to get anywhere in the key in the Sonoran Flora.

Created: 2015-01-28 07:41:19 GMT (+0000)
Last modified: 2015-01-28 08:25:47 GMT (+0000)
Viewed: 42 times, last viewed: 2016-10-25 11:09:16 BST (+0100)
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