Observation 138346: Stemonitopsis typhina (F.H. Wigg.) Nann.-Bremek.
When: 2013-06-12
No herbarium specimen

Notes: These were rowing on an old log in mixed woods in the Big Sandy Creek Unit.
Total height of ~ 4mm(stalk ~ 1mm)
Spores purple brown.
Spores ~ 6.2-8.0 microns, round and moderately warted or spinulose, no reticulations.
Stemonitis nigrescens is a weak ID since the spores may be a little small and couldn’t find a lot of consistent information on these types of Slime Molds.
Edit 7/19/2013;
Steven Stephenson, the co-author of “Myxomycetes A Handbook of Slime Molds” suggested that Stemonitopsis typhina was a better possibility for these.
The spore size and ornamentation are also very close to what is reported in the handbook; “…faintly punctate with scattered clusters of dark warts, 6 to 8 micrometers in diameter.”

Proposed Names

29% (1)
Used references: Myxomycetes by Stephenson and Stempen
57% (1)
Eye3 Eyes3
Used references: Stemonitopsis typhina was suggested by Steven L. Stephenson as a better possibility for these.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Thanks Martin
By: Ron Pastorino (Ronpast)
2013-07-01 21:05:07 PDT (-0700)
Nice presentation, Ron.
By: Martin Livezey (MLivezey)
2013-07-01 18:20:14 PDT (-0700)

Created: 2013-07-01 17:40:57 PDT (-0700)
Last modified: 2013-07-19 08:48:28 PDT (-0700)
Viewed: 67 times, last viewed: 2016-12-01 15:44:47 PST (-0800)
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