Observation 16183: Nectria sensu lato

When: 2009-01-08

Collection location: Strouds Run State Park, Athens, Ohio, USA [Click for map]

Who: Dan Molter (shroomydan)

No specimen available

This was by far the neatest find of the day! Small clusters of tiny red blobs on a snow covered fallen branch. I have not seen any thing like these before. I wonder if they fruit exclusively in winter.

Species Lists


Proposed Names

-38% (4)
Recognized by sight
52% (7)
Recognized by sight
-29% (5)
Used references: As per Noah in observation 70715
-29% (4)
Recognized by sight
-30% (3)
Recognized by sight: if within the size range: 0.15-0.2 mm.
32% (4)
Recognized by sight
57% (1)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
maybe 1 mm
By: Dan Molter (shroomydan)
2012-03-01 04:36:28 CST (+0800)

Hi Debbie,

This observation is three years old, so I’m judging from the pictures here more than anything else. The leaves are the best reference for size. These appear to be quite a bit larger than the Nectria episphaeria on Hypoxylon fragiforme in observation 88183.

how tiny is tiny?
By: Debbie Viess (amanitarita)
2012-03-01 00:05:09 CST (+0800)

up to 0.2 mm?

could these be growing on a pyrenomycete?

grossly similar to Nectria episphaera (clear reddish gelatinous globules with a papillae).

Different from other obs
By: Dan Molter (shroomydan)
2012-02-28 08:51:30 CST (+0800)

Thank you for pointing out the difference Damon. As I noted in the other observation of Hormomyces aurantiacus, it is rare to find this stuff with the little spheres still intact, as many of them are in this observation. Note that some of the spheres in this observation have erupted to produce an amorphous red slime, which is typical of the other observations (I added a cropped pic to show this). I suspect that the difference seen between this observation and the others is due merely to age. These specimens are more intact because they are younger than the others. If you look carefully at the other observations, you will see a few discrete little red spheres.

If you blow
By: damon brunette (damonbrunette)
2012-02-28 04:45:33 CST (+0800)

up the picture (or set it upon a log and shoot it around 4pm with some conifers in the background) you will see a distinct papilla. The other OB’s you have changed to Noahs suggestion look much different than this one. Though the Hormomyces aurantiacus is in Bessette, strange that there are not other Google images of this fungus.