Observation 11916: Lichen P. Micheli

When: 2008-10-02

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

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Growing on a basalt boulder used to block an old logging road. This lichen is a crusty granular white or sandy white appearance. There are occasional cracks in the lichen, revealing either a dark brown or black subsurface area. Widespread on this boulder, but otherwise rare for the area.


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