When: 2010-01-23

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

Who: Dave in NE PA

No specimen available

On woods chips nearby some Tubaria mushrooms. Reminds me of Flammulina, but habitat is wrong and stalks are fairly fragile. No ring observed on any stalk. Not enough spores dropped to see print color. Spore shape variable… elliptical, ovoid, bean shaped. Saw some in the exact sam spot about 6 weeks ago.


Proposed Names

-13% (3)
Recognized by sight
45% (6)
Used references: Arora, p. 220; I’m guessing the non-velvet coloration of the stipe may be due to it’s having been frozen recently.
28% (1)
Recognized by sight

Please login to propose your own names and vote on existing names.

= Observer’s choice
= Current consensus


Add Comment
Mushroom photos were shot in direct sunlight.
By: Dave W (Dave W)
2010-01-28 12:39:22 GMT (+0000)

I think the grayish appearance on the gills is a shadow. Spore shot is not focused real well (why I didn’t post it to begin with). This gives the appearance that the spores are a little wider than what I actually saw. I’d call the shapes elliptical, oval, ovoid, with a few bean shaped ones.

Another Flammulina
By: Irene Andersson (irenea)
2010-01-28 08:16:56 GMT (+0000)

with shorter and broader spores (6-7.5 × 3.5-4.5 μm, Q = 1.5-1.7) and a rooting stem, is Flammulina populicola:

I’m not really sure about Flammulina either, the grey gills in the second picture here look strange. Is it just a shadow, or is it a feature of yet another species? There’s at least a dozen of them. Their spores are white to pale yellowish and it looks OK so far. Perhaps you should check if it also has any particular cheilo- and pleurocystidia?

thanks for the spore shot
By: Eddee (eddeeee)
2010-01-28 05:32:01 GMT (+0000)
These don’t look like Flammulina velutipes spores. There very round. F. velutipes are much more elliptical. I M Looking through several spore print collections of my own, to see if there is any variation in spore size and shape and they are all very Elliptical. This has to be something else.
Her’s the spore pic, in KOH.
By: Dave in NE PA
2010-01-28 04:35:35 GMT (+0000)

And another shot of one of the mushrooms.

Spore pic didn’t come out too well.
By: Dave W (Dave W)
2010-01-27 17:07:28 GMT (+0000)

And my scope is not very powerful. But I’ll post a spore shot tomorrow night. (Busy all day today.)

By: Irene Andersson (irenea)
2010-01-27 17:03:32 GMT (+0000)

Can you manage to get a picture of the spores you have seen? I think that would help a lot.

The Neamatoloma spores are darker
By: Dave W (Dave W)
2010-01-27 16:30:21 GMT (+0000)

than the ones in my collection. I had also considered Hypholoma types for this collection. Difficult to completely rule this out, as I didn’t get enough of a print to see the color en mass. No ring or ring zone observed on any of the specimens.

Although F. velutipes is a pretty good edible, I would not consider eating anything (like in this situation) where I am not convinced of the ID.

I hope
By: Irene Andersson (irenea)
2010-01-27 15:59:36 GMT (+0000)

the spores don’t look like this:

Thanks Eddee.
By: Dave W (Dave W)
2010-01-27 15:22:44 GMT (+0000)

Spores form my collection definitely do not look like the Rhodocybe example…. the quotient Q = L/W ~1.5, whereas the Rhodo spores are not that far off from Q = 1. Although the Flammulina spores you posted have Q a bit larger than from my collection, I do notice some similarity. The Flammulina spores posted here show variable shape… ellipsoid, oval, and even a few ovoid (one end more rounded and a bit wider).

iv never seen on wood chip.
By: Eddee (eddeeee)
2010-01-27 14:39:39 GMT (+0000)

Flammulina velutipes is a common mushroom I find every winter. I have never encountered it on wood chips. Usually I find it more commonly at the base of dead hard woods such as ash, alder and maple, and sometimes on fallen ones. I have never seen it from wood chips. I know if they are young they do not develop the velvety stipe but developed it more as they age. This could be Rhodocype. Here are some spore shots of F.velutipes http://mushroomobserver.org/image/show_image/74826?obs=32128&search_seq=1232061&seq_key=967789. If Rhodocybe spores should look like this. round http://mushroomobserver.org/image/show_image/74885?obs=32228&search_seq=1232065&seq_key=967791

Flammulina was my first thought,
By: Dave W (Dave W)
2010-01-27 12:42:50 GMT (+0000)

but I’ve only ever seen those types on dead trees. These were growing amongst spread woods chips with no dead trees observed anywhere nearby. Maybe there were some buried roots? The stalk bases were a bit darker than what I was able to dig up intact; they pretty much crumbled. I agree though, given the time of fruiting and the overall appearance, they’re likely some type of Flammulina.

Created: 2010-01-25 03:00:23 GMT (+0000)
Last modified: 2011-05-18 16:06:09 BST (+0100)
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