Observation 115985: Lichen P. Micheli

Substrate: soil, crust extends into soil by 2-4cm. underneath shrub, near visitor center so not very grazed by penguins, Rheas, or Guanacos.

Habitat: arid shrubbe steppe, coastal.

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I bet so…
By: Jason Hollinger (jason)
2012-11-08 02:17:39 CST (-0500)

These things seem to grow in arid places with dew, if I remember right.

By: nastassja (Nastassja Noell)
2012-11-07 19:42:25 CST (-0500)

man these guys are always so tricky in the field, at least for me. I wonder if the cerebellum type folds, do they help channel water or dew somehow into the lichen…?

Have you read about those beetles in the Nambian desert? Basically, from what I remember from Molles´ Ecology text from a few years ago, these beetles will climb up into a sand hill, and they´ll position themselves with their body´s facing down the slope so that the condensed fog from the ocean will drip down the longitudinal crevice in their backs and into their… um, beetle-mouth.

So I wonder if these brain like convolutions in the crusts assist with condensing and capturing humidity from the air and assisting the lichen thallus to absorb it into the thallus…

Looks a lot like one of the fruticose Aspicilia
By: Jason Hollinger (jason)
2012-11-07 13:48:06 CST (-0500)

See Aspicilia hispida (= Circinaria hispida, Agrestia cyphellata), for example. Okay, maybe not that one. Still, I’ll bet it’s Aspicilia.

Created: 2012-11-07 05:55:50 CST (-0500)
Last modified: 2012-11-07 06:00:26 CST (-0500)
Viewed: 33 times, last viewed: 2017-06-14 10:04:48 CDT (-0400)
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