Observation 21350: Dirinaria picta (Sw.) Clem. & Shear
When: 2009-05-24
No herbarium specimen


this thallus from the same location remind me Dirinaria more then previous. First one look like Pyxine subcinerea from Sharnoff’s http://www.sharnoffphotos.com/...

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I take it back…
By: Jason Hollinger (jason)
2009-05-28 13:18:09 CDT (-0400)

I didn’t realize its rare status in your area — please let this beauty do its thing unmolested. :) We’ll just get someone from Florida to mutilate a thallus for the cause of science, instead.

(By the way, in general, I’ve found that groundskeepers either a) have no idea what a lichen is, or b) think you’re doing the tree a favor by removing a “parasite”. If you happen to find one who cares about lichens, please recommend them to MO, haha. :)

By: Vitaly Charny (vcharny)
2009-05-28 09:25:42 CDT (-0400)

I didn’t make pictures of rhizines yet. The thalli grow on the parking lot trees. I am not sure if I can collect there…

Excellent photos!
By: Jason Hollinger (jason)
2009-05-27 14:42:00 CDT (-0400)

So I hesitate to ask… but it would be very helpful to other users if you could include equally-excellent photos of the underside of these lichens. Especially Dirinaria since it unique among the Physciaceae in having a lower cortex but no rhizines(!) I’d love to see this feature documented on the site.

green color – wet
By: Vitaly Charny (vcharny)
2009-05-27 14:36:49 CDT (-0400)

Created: 2009-05-27 14:35:16 CDT (-0400)
Last modified: 2009-05-27 14:35:16 CDT (-0400)
Viewed: 76 times, last viewed: 2016-10-23 13:58:13 CDT (-0400)
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