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Observation 11639: Lichen P. Micheli

When: 2008-09-27

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

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Notes:
Growing on Quercus palustra in my back yard. These are golden colored, but have a greenish tint to them.

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Comments

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Xanthoria or Xanthomendoza
By: Jason Hollinger (jason)
2008-09-28 01:29:15 EEST (+0300)

Looks like Xanthomendoza montana off-hand, but you will need to check for little white rhizines on the underside to rule out Xanthoria.