Notes:
Not sure if this if the yellow is part of the lichen or a secondary fungus.

EDIT: IDed by Zaca

Substrate: found detached on the ground

Habitat: High-elevation oak cloud forest

Ecoregion: Talamanca Montane Forests (NA0167)

Collector(s): D. Newman

Collection #: n/a

Collected for the 2016 Organization for Tropical Studies “Fungi and Fungus-Like Organisms” Course

Species Lists

Images

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1/160 sec, f/11, ISO 100
Canon EOS 6D + MP-E 65mm f/2.8 1-5x + Yongnuo YN-14EX TTL LED Macro Ring Flash
1/160 sec, f/11, ISO 100

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Comments

Add Comment
I´m glad to help, Danny.
By: zaca
2016-08-24 11:01:57 CDT (-0400)
Thank you Zaca
By: Danny Newman (myxomop)
2016-08-24 10:36:14 CDT (-0400)

I see it listed here as well:

http://www.inbio.ac.cr/...

for further confirmation.

Hi Danny,
By: zaca
2016-08-24 04:52:21 CDT (-0400)

Looks very much like the underside of he lobes of Pseudocyphellaria aurata, the yellow marks corresponding to pseudocyphellae; some green/grey of the lobes is also visible. Have a look at:
http://www.discoverlife.org/mp/20p?see=I_JP35236&res=640
and
http://mushroomobserver.org/image/show_image/543066
for instance.