Observation 29575: Ascomycota Caval.-Sm.
When: 2009-11-24
No herbarium specimen

Proposed Names

28% (1)
Recognized by sight: simply because it’s black, roundish, and on a leaf, which is absolutely no reason to go on calling it this. microscopy is almost certainly necessary.
Used references: Observation 207702
57% (1)
Recognized by sight
28% (1)
Used references: Gerhardt

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I think live oak
By: John Plischke (John Plischke)
2013-04-27 00:04:17 CDT (-0400)

I think live oak if I remember correctly

This looks rhytismoid.
By: Gerhard Koller (Gerhard)
2013-04-26 15:41:52 CDT (-0400)

Which Rhytismatales do you have in your area?

By: Byrain
2013-04-26 00:29:55 CDT (-0400)

What’s the host?

I’ve seen something similar
By: Danny Newman (myxomop)
2012-09-06 17:09:58 CDT (-0400)

on green, herbacious leaves. the concentric circles on mine were black and orange and only on the underside of the leaf. i think it’s in an upcoming Bolivia observation.

Created: 2009-12-05 23:48:43 CST (-0500)
Last modified: 2013-04-27 16:15:57 CDT (-0400)
Viewed: 55 times, last viewed: 2017-06-06 07:33:14 CDT (-0400)
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