Observation 68378: Mycena corticola (Pers.) Gray

When: 2011-05-30

Collection location: Luzerne Co., Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

No specimen available

A maple tree standing just outside our back door has a trunk that’s partially covered with moss and lichen. These mushrooms were about 7 feet above the ground. Largest unexpanded cap diameter is about 1 cm.



Proposed Names

29% (1)
Recognized by sight: Growing on tree bark with lichen present
Used references: Phillips
79% (2)
Eye3 Eyes3
Used references: Mushroom Expert. Hamilton’s suggestion.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Rain didn’t come,
By: Dave W (Dave W)
2011-06-01 22:45:25 PDT (-0700)

so the little shrooms on the maple tree are presumably still in the shriveled state. It’ll be interesting to see if they come back to life when we get our next shower. Mounted a humidified fruit body in some Meltzer’s. Shape of spores matches M. corticola, size a little smaller than the 9-11 mu reported by MushroomExpert.

Mushrooms shriveled
By: Dave W (Dave W)
2011-06-01 07:11:37 PDT (-0700)

during subsequent hot dry day and dry night. 4th photo is an extreme closeup. I’m hydrating the shriveled specimen seen in 3rd photo (without actually immersing in water). Hoping to see something useful under the scope. Rain in the forecast for today, so maybe the ones seen in 4th photo will revive.

Having seen the lichen
By: Dave W (Dave W)
2011-05-30 22:10:32 PDT (-0700)

attached to the tree bark, in close proximity to the mushrooms, I jumped at the Lichenomphalia ID. But it looks like M. corticola is a good bet… especially since it is known to grow on the bark of standing trees. I can harvest a few tomorrow and hopefully get a look at the spores. Anything else I may want to look for under the scope?

Mycena corticola maybe?
By: Hamilton (ham)
2011-05-30 21:37:13 PDT (-0700)

Not sure.

Created: 2011-05-30 21:33:23 PDT (-0700)
Last modified: 2016-01-12 13:23:27 PST (-0800)
Viewed: 110 times, last viewed: 2018-02-19 21:05:45 PST (-0800)
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