Observation 299736: Russula

Collector’s_Name: Bill Sheehan
Substrate: On ground
Habitat: pine, oak, old road
Other: Stem snapped neatly. Extremely brittle. Pure white.

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Proposed Names

50% (3)
Recognized by sight
-31% (2)
Recognized by sight

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Yep, looks like the wrong sequence for this specimen.
By: Terri Clements/Donna Fulton (pinonbistro)
2018-04-05 14:16:11 CDT (-0400)
Spores mounted in Meltzer’s…
By: Dave W (Dave W)
2018-04-05 08:00:07 CDT (-0400)

and viewed at 400x would erase any doubt about Russula vs. Trich.

There’s too many matches with Tricholomataceae.
By: Bill Sheehan (B_Sheehan)
2018-04-04 22:41:44 CDT (-0400)

I suspect this was a specimen switcheroo…

I agree with you!
By: Bill Sheehan (B_Sheehan)
2018-04-04 22:39:06 CDT (-0400)

I’m just starting to work with GenBank blasts. I’ll have another look.

Will you be adding the sequence?
By: Terri Clements/Donna Fulton (pinonbistro)
2018-04-04 22:08:29 CDT (-0400)

I agree with Dave this looks like Russula. As you know there are many mis-labeled sequences on GenBank. I’ve found a Cortinarius that was labeled Hebeloma for example.

What Trich did the ITS match?
By: Dave W (Dave W)
2018-04-04 22:02:43 CDT (-0400)

This really looks like a Russula to me (even before reading the Notes).