Observation 68520: Mycena margarita (Murr.) Murr.

When: 2011-05-27

Collection location: Las Casas de la Selva, Patillas, Puerto Rico, USA [Click for map]

Who: patty (patty)

No specimen available

Abundantly growing on hardwood. Cap 15-20mm, whitish with a chocolate disk, broadly convex, slightly depressed, striate, gelatinous membrane peeling from pileal surface. Gills white, 1mm deep. Stipe translucent eggshell, shiny, hollow, with ridged disk at base. Spore print white, spores elliptical, 5.5-6µm x 3.5-4µm, amyloid.

Species Lists


Copyright © 2011 David Croad
Copyright © 2011 David Croad
Copyright © 2011 David Croad
1000x, 1µm scale

Proposed Names

60% (2)
Eye3 Eyes3
Recognized by sight: http://www.inbio.ac.cr/...
Used references: Dennis Fungi of Venezuela
Bioluminescent Mycenas http://www.nrs.fs.fed.us/...

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

Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
a long time
By: patty (patty)
2011-06-02 22:05:37 EDT (-0400)

probably a good ten minutes or so. Other twigs and leaves were quite obviously glowing in the same area after about three minutes, but not these mushrooms nor the log they were growing on.

Which is not necessarily to say that could not have been the same species (maybe it glows in only some part of the growth cycle?), however there are many species of litter decomposers around, and many boiluminescents, so without fruiting bodies I don’t know.

How long
By: Christian (Christian Schwarz)
2011-06-02 16:48:23 EDT (-0400)

did you watch it? And how dark was it?
I know that if I went out to look at our Omphalotus olivascens while in situ, I’d have a very hard time seeing it glow in less than 5 minutes, or if there was any moonlight.

does it glow?
By: patty (patty)
2011-06-02 16:11:24 EDT (-0400)

This species is reported to be bioluminescent in SOME populations, so last night I walked out back to where I found this mushroom (about 1hr through the jungle), to see if it was bioluminescent…. and it wasn’t =(

There WAS however quite a lot of bioluminescent mycelium in the area on small twigs and leaves, with no fruiting bodies.

Neat species!
By: Christian (Christian Schwarz)
2011-06-02 14:44:14 EDT (-0400)

Created: 2011-06-01 16:25:13 EDT (-0400)
Last modified: 2018-01-07 18:40:12 EST (-0500)
Viewed: 195 times, last viewed: 2018-01-18 10:57:35 EST (-0500)
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