When: 2014-06-05

Collection location: MP 14.5 E. Larch Mountain Rd., Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Erect greenish-blue lichen on rockwork, on knoll near parking lot. Rock may have been imported. Lichen is tough, hard, and brittle. Stone used in stonework may have been imported.


In situ. About 2 inches (5cm) tall.
Lichen in hand looks a little greenish-white to greenish-blue. Black near apex and near basal attachment.
Can’t tell if this shows surface or undersurface, but black portions showing.
Black at frond terminus.

Proposed Names

45% (2)
Used references: Brodo, Lichens of North America.
47% (2)
Used references: Brodo, Lichens of North America

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= Observer’s choice
= Current consensus


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