Observation 21350: Dirinaria picta (Sw.) Clem. & Shear

When: 2009-05-24

Collection location: Hoover Sport Park East, Hoover, Jefferson Co., Alabama, USA [Click for map]

Who: Vitaly Charny (vcharny)

No specimen available


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 10:18:09 PDT (-0700)

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 06:25:42 PDT (-0700)

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 11:42:00 PDT (-0700)

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 11:36:49 PDT (-0700)

Created: 2009-05-27 11:35:16 PDT (-0700)
Last modified: 2009-05-27 11:35:16 PDT (-0700)
Viewed: 79 times, last viewed: 2018-01-25 20:29:28 PST (-0800)
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