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Observation 369886: Porpidia Körb.

When: 2019-06-12

Collection location: Ross Lake National Recreation Area, Whatcom Co., Washington, USA [Click for map]

(coordinates hidden from public) 1838m

Who: mauna kunzah

No specimen available

Proposed Names

42% (3)
Recognized by sight
61% (2)
Recognized by sight

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= Observer’s choice
= Current consensus

Comments

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Sorry to keep shooting down your names!
By: Jason Hollinger (jason)
2020-10-17 09:08:30 PDT (-0700)

They are all plausible, but this genus is really just impossible without microscopy and chemistry. Several species can “bring out the rust” from iron-rich rocks , and they all effectively look the same from a distance like this.