When: 2014-04-04

Collection location: Ricketts Glen State Park, Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

No specimen available

I saw this species on the same log back in January. I’m wondering if they are preserved frozen in situ and revive during thaws.

Taste mild to slightly sour.


Proposed Names

91% (2)
Recognized by sight: On oak wood.

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Most of the summer.
By: Matthew Schink (MSchink)
2014-04-08 12:16:01 CST (+0800)

The fruits will begin coming out in June, there should be some early fruiters here and there, August through September is when they really kick into gear. Essentially when they are fresh they will have a solid cream color on the cap.The fresher and younger the cap,the brighter it will be. The glow varies from group to group. I found one group that was insanely bright. It is a very stunning mushroom.

Yeah, that’s what I figured about the glow.
By: Dave W (Dave W)
2014-04-08 12:03:46 CST (+0800)

I have tried a few times to see the bioluminescence of P. stipticus without success. What time of year do the new fruit bodies usually emerge?

Once I saw the bioluminescence of Omphalotus illudens (Jack o’ Lantern). It was a very fresh cluster. I spent a few minutes inside a completely dark closet before the effect became apparent. Quite dramatic.

No problem!
By: Matthew Schink (MSchink)
2014-04-08 06:56:32 CST (+0800)

If you get them before they dry out the first time they will have a nice glow to them. I read that most people have a hard time seeing the glow and they often cant. I think this is because they are finding old specimens like this.When they first dry out the glowing stops, never to resume again. But take a fresh fruit and sit in a dark room for a few minutes and it will be quite visible. Easily one of my favorite mushrooms due to that fact.

Thanks Mrcloudy.
By: Dave W (Dave W)
2014-04-08 06:09:50 CST (+0800)

Suspicion conformed.

Aside from the flaky cap surface, these mushrooms seemed fresh. I collected them from the same area, possibly the exact same oak log, as ones collected last January and seen in the linked obs.

This species is very resilient.
By: Matthew Schink (MSchink)
2014-04-08 05:58:41 CST (+0800)

This species will certainly freeze solid and thaw out. It can also dry out completely and shrivel up. Only to become pliable and soft again with rain. You can tell if it is a fresh fruiting or not by whether the surface of the cap has any cracking to it. You will notice that these specimens have a lighter surface that upon closer look appears to have flaked away. This is an indication that at one point these mushrooms were dried out. They will continue to drop spores once they are rehydrated and unfrozen too. I collected several spore prints from specimens that had been frozen solid and thawed out in a January thaw. The fruit bodies can survive for months, there are some in the forest here that I know fruited in July but are still there, they will likely rot away now that the temperatures are coming back up.

Your specimens have almost certainly been through the freeze thaw cycle, this location is less than 100 miles to me and the weather here has not been conducive for new fruiting of Panellus stipticus.In the woods here they fruit very prolifically and I have taken time to observe them and get to know their character.