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When: 2012-06-01

Collection location: Discovery Park, Seattle, King Co., Washington, USA [Click for map]

Who: Richard Droker (wanderflechten)

Specimen available

Notes:
on rip rap in salt spray zone

Thought I’d add another maritime (at least in this area, Salish Sea) Lecanora. Photos from a few years ago. Need to find specimen.

Species Lists

Images

Proposed Names

55% (1)
Recognized by sight: somewhat distinctive morphology and habitat
Used references: Rhoades, Fred M. 2009. Lichens of South Lopez Island. Douglasia Occasional Papers Volume 9, Washington Native Plant Society, Noble, W. J. (1982) The Lichen Flora of the Coastal Douglas-fir Dry Subzone of British Columbia. Ph.D. Thesis, University of British Columbia, Reprinted and nomenclaturally updated in 1996 by Bruce McCune with per mission of the author., Smith, C.W., Aptroot, A., Coppins, B.J., Fletcher, A., Gilbert, O.L., James, P.W. and Wolseley, P.A. (2009) The Lichens of Great Britain and Ireland

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Comments

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Never heard of this one… exciting!
By: Jason Hollinger (jason)
2012-06-01 19:34:19 CDT (-0500)

“…in compact [distinct] patches of convex or swollen areoles… sometimes almost lobe-like and notched at margins, starkly white or rarely pale grey, surface slightly rough to granular… apothecia abundant, generally compacted in the center…disc pale pink- to yellow-brown or olivaceous…” Claims all tests are negative, but lists dichlorolichexanthone (UV+y), and sometimes pannarin (P+r) in non-British material.

So it’s the “swollen” areoles and pale color that give it away?