Observation 99300: Caloplaca flavorubescens (Hudson) J.R. Laundon

When: 2012-07-05

Collection location: Mukilteo Lighthouse Park, Mukilteo, Washington, USA [Click for map]

Who: Tim Sage (T. Sage)

No specimen available

Proposed Names

-31% (2)
Recognized by sight
45% (2)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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On beach wood
By: Tim Sage (T. Sage)
2012-07-06 15:21:02 CDT (-0400)

Large driftwood logs

Apothecia too orange
By: Jason Hollinger (jason)
2012-07-06 14:50:53 CDT (-0400)

I suspect strongly this is Caloplaca. There aren’t many epiphytic species with yellow thallus… but it’s also possible that it’s a saxicolous species if it is on wood. The Sonoran Flora recommends C. stipitata (doesn’t reach Washington though). British Flora, Bruce Ryan’s, and a set of working keys I have from central BC all suggest C. flavorubescens (probably the best option).

Created: 2012-07-05 22:30:19 CDT (-0400)
Last modified: 2012-07-06 15:22:48 CDT (-0400)
Viewed: 62 times, last viewed: 2017-10-19 14:58:53 CDT (-0400)
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