Observation 114980: Leptogium azureum (Sw. ex Ach.) Mont.

When: 2012-10-30

Collection location: Parque Nacional Iguazú, Misiones, Argentina [Click for map]

Who: nastassja (Nastassja Noell)

No specimen available

Next to falls, very humid constantly.

Hardwood bole – Fabaceae?

Looks like a Collemataceae

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Eye3 = Observer’s choice
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Definitely Leptogium, but…
By: Jason Hollinger (jason)
2012-10-31 00:45:51 PDT (-0700)

Did it have isidia? I can’t quite make it out. But this definitely has that bluish “shiny” texture of some Leptogium (Collema never does that because it lacks a cortex). It also definitely has a finely-wrinkly surface. Suggests L. azureum if it lacks isidia. Would key to L. austroamericanum if it has isidia, but that species is darker and a bit thicker, I think. Of course there may be untold dozens of species I’ve never heard of down there…

Created: 2012-10-30 22:15:15 PDT (-0700)
Last modified: 2012-10-31 00:46:04 PDT (-0700)
Viewed: 31 times, last viewed: 2018-02-08 11:08:09 PST (-0800)
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