Observation 182606: Flammulina velutipes (Curtis) Singer

When: 2014-10-13

Collection location: Erie, Pennsylvania, USA [Click for map]

Who: AJ (j7u)

Specimen available

Immediate and strong blue-green bruising in stems.

Shoot me an e-mail if you’d like dried specimens.

Specimen appears as 3892 on phylogenetic tree.

DNA sequence:

Species Lists


Copyright © 2014 Pablo Alvarado
DNA sequencing and phylogenetic tree courtesy of Pablo Alvarado of ALVALAB. He can be reached at pablo.alvarado@gmail.com

Proposed Names

55% (1)
Recognized by sight
91% (2)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Ehrlich’s reagent negative…
By: AJ (j7u)
2014-10-22 12:38:43 CDT (-0500)

but so were some gyms I tested. Melatonin tested positive.

Bacterial infection
By: AJ (j7u)
2014-10-19 00:01:55 CDT (-0500)

No Idea really. I have specimens en route to Scott Redhead who sounded pretty interested in the find. Hopefully he’ll have something to add to the conversation. Right now I’m thinking the stipe flesh is actually not blue, but an optical effect from the color of the outside makes it look that way.

Could it be a bacterial infection?
By: Jacob Kalichman (Pulk)
2014-10-18 21:06:35 CDT (-0500)

Like Cuphophyllus virgineus “var roseipes”?

another obs
By: Jacob Kalichman (Pulk)
2014-10-18 20:46:36 CDT (-0500)

obs 183926 just posted

UV Flourescence
By: AJ (j7u)
2014-10-15 14:20:36 CDT (-0500)
Maybe he’s right.
By: Image Sharer (image sharer)
2014-10-13 16:22:55 CDT (-0500)

I have learned more from A. Rockefeller than from any other mycologist. I don’t doubt him, but I don’t think he conclusively knows.

I’m not a chemist and I’m still learning fundamental chemistry. However, if one or more species in the genus Flammulina contain significant levels of the chemical Tryptophan (or L-Tryptophan) – and L-Tryptophan is a precursor to psilocin – then I see no reason why Flammulina species can’t evolve into psilocybin-producing fungi.

Smell and taste
By: AJ (j7u)
2014-10-13 16:05:20 CDT (-0500)

seem typical for F. velutipes. Alan Rockefeller is certain that the color is not an indication of psilocybin/psilocin.

In regard to what’s causing the color…
By: Image Sharer (image sharer)
2014-10-13 15:55:03 CDT (-0500)

…I think you should have some material processed at your local university using GC/MS (gas chromatography/mass spectrometry) or UHPLC/MS (Ultra high performance liquid chromatography/Mass spectrometry).

Otherwise, we may never know.

Can you describe the aroma of this collection?

Have you nibbled a tiny piece and spit it out to get the taste?

Excellent, thanks!
By: AJ (j7u)
2014-10-13 15:02:14 CDT (-0500)
I’m not going to eat them,
By: AJ (j7u)
2014-10-13 14:43:22 CDT (-0500)

though it is tempting. I’ll be doing some micro work on these shortly and will make dried specimens available. Do you know of a micro key for Flammulina?

By: Image Sharer (image sharer)
2014-10-13 14:38:06 CDT (-0500)

This is an important collection(!). Please take several spore prints on tin foil and save them. Please also dehydrate at least six specimens and submit them to an internationally accessible herbarium.

I would get spore prints out to several Trusted mycologists.

By: AJ (j7u)
2014-10-13 14:24:23 CDT (-0500)

Luckily these are at a location very close to me and I will most definitely be monitoring the spot for future growth. I’d be lying if I were to say that I wasn’t curious about performing a bioassay.

All I can say…
By: Image Sharer (image sharer)
2014-10-13 14:07:40 CDT (-0500)

…is please take several more photos and check for a second harvest!

Created: 2014-10-13 13:24:05 CDT (-0500)
Last modified: 2014-10-31 12:55:17 CDT (-0500)
Viewed: 316 times, last viewed: 2017-10-18 14:53:12 CDT (-0500)
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