Observation 211308: Physcia subtilis Degel.
When: 2015-07-14
No herbarium specimen

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I’ve been told…
By: Jason Hollinger (jason)
2015-07-26 12:33:46 MDT (-0600)

that the Culbersons documented a similar phenomenon in a paper several decades ago. Possibly maintaining an algal-free zone around the lichen will prevent competition?

“Acid-throwers?”
By: Andrew Khitsun (Andrew)
2015-07-24 17:56:00 MDT (-0600)

Of interest here is how the lichen thallii keep black algae and other “baddies of Mordor” at bay, maintaining nice clean circles of red granite around them.

Created: 2015-07-24 17:47:49 MDT (-0600)
Last modified: 2015-07-24 17:53:51 MDT (-0600)
Viewed: 25 times, last viewed: 2017-02-19 14:00:42 MST (-0700)
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