Observation 56581: Leratiomyces ceres (Cooke & Massee) Spooner & Bridge

When: 2010-10-25

Collection location: Bothell, Washington, USA [Click for map]

Who: Tim Sage (T. Sage)

No specimen available

Posted by a friend on Facebook. I assume L. ceres, but I just have never seen a fruiting like that!

Proposed Names

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Very interesting, thanks everyone
By: Tim Sage (T. Sage)
2010-10-26 20:17:38 WAT (+0100)

If anyone can find a cluster similar to this one, I would love a link. Thanks again for all the opinions/responses, they are much appreciated.

My first reaction was some weird red Agaricus, prior to any enlarging.

My second was Leratiomyces ceres.

My third was Gymnopilus.

If only I had had a gill shot to begin with!


By: Christian (Christian Schwarz)
2010-10-26 15:04:11 WAT (+0100)

First, I have to agree with Hamilton. After just a quick search on all commonly applied names for L. ceres I found photos showing clustered fruitings. Granted, none as strong as these, but the principle holds. Thanks for pointing that out.

Secondly, look at an enlarged version of the second photo – the large clump near the top left shows mushrooms with caps upturned in a way that you can clearly see dark gills – big point against Gymnopilus. Now look at the small button at the bottom of the photo, sort of to the left – it has a distinct, broad, round umbo – this is fairly typical of L. ceres.

In the end, my vote goes back to L. ceres.

Clustered Leratiomyces ceres can grow….
By: Hamilton (ham)
2010-10-26 07:44:21 WAT (+0100)

I’ve seen many photos of it doing so. The upturned gills of the older mushrooms in the top photo look to be a greenish white with some splotches of purple. Sorta looks like a good dusting of purple spores on the cap surfaces too. Whereas if it was the upturned gills of an old Gymnopilus they’d be a tad rusty orange. Not trying to win a medal though. An opinion….

By: caphillkid
2010-10-26 06:27:39 WAT (+0100)
Without a gill shot it’s impossible to say. I’m leaning towards Leratiomyces though.
Back to Gymnopilus!
By: Tim Sage (T. Sage)
2010-10-26 05:27:46 WAT (+0100)

Lets vote this baby back to Gymnopilus!

By: Christian (Christian Schwarz)
2010-10-26 05:16:52 WAT (+0100)

Like Debbie said, caps are a bit too orange, but more importantly L. ceres hardly ever grows in clusters, certainly not as tight as these (as you noted). Also they look rather thick-fleshed in the cap (round, bulbous buttons), L. ceres tends to look flatter or thinner.

Alan, I’m curious to know why you voted for L. ceres. Have you seen them growing clustered?

Any other opinions?
By: Tim Sage (T. Sage)
2010-10-26 05:03:20 WAT (+0100)


I wish
By: Tim Sage (T. Sage)
2010-10-25 19:21:52 WAT (+0100)

I had gill shots, but these were posted by a non-myco Facebook friend!

Dude, where’s my gills??!
By: Debbie Viess (amanitarita)
2010-10-25 19:19:50 WAT (+0100)

That would solve this ID dilemma handily!

Cap color and the robustness of the fruit bodies in your lower photo leads me to think it is Gymnopilus, maybe luteofolius? rather than Leratiomyces ceres.

By: Hamilton (ham)
2010-10-25 19:15:53 WAT (+0100)

…sounds good.

What are these?
By: Tim Sage (T. Sage)
2010-10-25 19:13:25 WAT (+0100)

Gymnopilus? Leratiomyces? I am confused! Sorry for the lack on info, it was posted by a FB friend.

Created: 2010-10-25 19:06:10 WAT (+0100)
Last modified: 2011-02-25 00:31:57 WAT (+0100)
Viewed: 242 times, last viewed: 2017-06-08 09:07:55 WAT (+0100)
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