Observation 59786: Pleurotus ostreatus (Jacq.) P. Kumm.
When: 2010-11-12
Who: mscmlige
No herbarium specimen

Notes: First time post, so apologies if this is too little or too much info…

Cap: 4 – 8 cm in size, fan shaped
Flesh: firm, off-white
Gills: decurrent attachment to stalk
Spore Print: off-white
Habitat: growing on decaying hardwood – unsure type of tree

Proposed Names

56% (3)
Eye3 Eyes3
Used references: Mushrooms Demystified
27% (1)
Recognized by sight: if the tree is aspen

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Oak
By: Darvin DeShazer (darv)
2010-11-27 10:15:20 PST (-0800)

There are no records of aspen from Mt. Tam, but California does have quacking aspen stands at the higher elevations in the Sierras. Mt. Tamalpais does have the riparian cottonwood, Populus fremontii, but I doubt this one of them based on the habitat photo. Oak is a better choice.

You’re probably right
By: Irene Andersson (irenea)
2010-11-27 08:13:36 PST (-0800)

It looks to me like aspen, but I’m not familiar with californian oaks..

Aspen
By: BakerSt10
2010-11-27 07:32:15 PST (-0800)
I looked up Aspen on Calflora. There are no records of observations, so there is a good chance this is not Aspen. The bark is similar to oak.

Created: 2010-11-26 17:05:54 PST (-0800)
Last modified: 2010-11-27 10:15:36 PST (-0800)
Viewed: 81 times, last viewed: 2016-11-11 17:43:03 PST (-0800)
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