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When: 2008-09-29

Collection location: Southeast Portland, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

This pale sea-green lettuce-like lichen has tiny scallops on the edges of the thallus, which are also raised from bark. (See upper and right-hand portion of photo). After I brought the photo home and looked at it on my computer, it is apparent I also have several lichens in this photos, including the deeply-cracked dark-brown lichen in the center of the photo.


Proposed Names

5% (2)
Recognized by sight
85% (1)
Recognized by sight: No rhizines, frilly scalloped edges, anywhere from sorediate along margins to densely coralloid-isidiate. Very common in Pac NW.

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= Observer’s choice
= Current consensus


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