Observation 204979: Dermatocarpon miniatum (L.) W. Mann
When: 2015-05-25
No herbarium specimen

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The more I look at it the more it appears to be D.luridum
By: Andrew Khitsun (Andrew)
2015-08-31 00:10:06 CDT (-0400)

Jason, if you see this, do you know if D.miniatum is known to have green pigment when wetted? All the sources I have say otherwise :(

I know at first blush it appears to be D.luridum
By: Andrew Khitsun (Andrew)
2015-05-25 19:52:37 CDT (-0400)

But it’s just because we’re used to see it wet on rocks in streams etc. These were on top of dolomite bluff, but photos taken just few minutes after rain shower ended. The “normal” appearance of D.miniatum is much grayer, of course. On the other hand, D.miniatum is not supposed to change color to green, according to many authors. The substrate, calcareous rocks, matches that of D.miniatum though.

Created: 2015-05-25 19:43:12 CDT (-0400)
Last modified: 2015-08-31 00:11:54 CDT (-0400)
Viewed: 38 times, last viewed: 2016-10-07 22:24:10 CDT (-0400)
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