Observation 68692: Parmotrema tinctorum (Delise ex Nyl.) Hale
When: 2011-06-03
Who: zaca
No herbarium specimen

Notes: The change of color in relation to the specimen in MO68509 – bluish-grey and almost white at the margins of lobes, without a trace of green – initially made me thought that it was another species and, maybe even, another genus. But it seems that these changes are possible within the same species.

Proposed Names

-29% (1)
Used references: Irish lichens.
Based on chemical features: See attached photos.
58% (1)
Eye3 Eyes3
Recognized by sight: See comments.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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In fact,
By: zaca
2011-06-06 16:15:11 CDT (-0500)

this is the second time that I confuse Parmotrema tinctorum with Parmelina pastilifera (see MO52255 ). Thanks, Jason, for the correction.

By: Jason Hollinger (jason)
2011-06-06 16:01:29 CDT (-0500)

It also has C+ red medulla, and broad rounded lobes with abundant evenly-distributed granular isidia just like this. It can grow on either bark or rock.

Created: 2011-06-06 15:45:10 CDT (-0500)
Last modified: 2011-06-06 16:25:11 CDT (-0500)
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