Observation 99300: Caloplaca flavorubescens (Hudson) J.R. Laundon
When: 2012-07-05
No herbarium specimen

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

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Eye3 = Observer’s choice
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On beach wood
By: Tim Sage (T. Sage)
2012-07-06 20:21:02 BST (+0100)

Large driftwood logs

Apothecia too orange
By: Jason Hollinger (jason)
2012-07-06 19:50:53 BST (+0100)

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: 2012-07-06 03:30:19 BST (+0100)
Last modified: 2012-07-06 20:22:48 BST (+0100)
Viewed: 57 times, last viewed: 2016-11-04 22:55:41 GMT (+0000)
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