Observation 79834: Retiboletus griseus var. fuscus Hongo

When: 2011-10-05

Collection location: Saleeby-Fischer YMCA, Rockwell, North Carolina, USA [Click for map]

Who: Matt Sherman (Shermanii)

No specimen available

Growing alone, in mixed woods with mostly Pinus virginiana in the area.

Species Lists



Proposed Names

28% (1)
Recognized by sight
83% (3)
Eye3 Eyes3
Used references: B/R/B Big NA Bolete Book. Looks like there’s some reddish staining on the lower stipe.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
oh yeah,
By: Matt Sherman (Shermanii)
2011-11-21 12:14:09 CST (-0600)

I will definitely keep a look out for this one again.
Thanks for checking into this one for me Dave!

Happens to me often…
By: Dave W (Dave W)
2011-11-21 10:22:00 CST (-0600)

fail to hold onto something that turns out to be really interesting. At least you now know of the spot to check in the future. Nice find, Matt!

I wish…
By: Matt Sherman (Shermanii)
2011-11-21 09:00:20 CST (-0600)

I wish I would have collected the specimen!

Big Bolete Book
By: Dave W (Dave W)
2011-11-20 11:09:30 CST (-0600)

mentions griseus var. fuscus as growing under pine, and having a dark pileus. Sounds like an uncommon species in NA.

By: Matt Sherman (Shermanii)
2011-11-20 00:10:20 CST (-0600)

Pinus virginiana (Didn’t count how many, but this was the dominant species in the area), Juniperus virginiana (1), Liquidambar styraciflua (1), and Liriodendron tulipifera (1)

I’ll go back
By: Matt Sherman (Shermanii)
2011-11-16 17:51:14 CST (-0600)

to that area and note all of the species of trees around that spot and report back.
I’ve found something in the same general area that is similar to the mushroom in that link you provided. It was pale all-over though. I’m not sure if I’ve posted it or not, I’ll have to check.

But I’ll get back to you on the trees when I can.

I haven’t noticed
By: Dave W (Dave W)
2011-11-14 13:32:46 CST (-0600)

a griseus association with Tulip Trees. I’ve found this one mainly with oak and other mixed deciduous… birch, beech…

Here’s an obs of R. griseus in pine woods.


By: Matt Sherman (Shermanii)
2011-11-14 10:28:09 CST (-0600)

There were a few Liriodendron tulipifera close-by.

Habitat for R. griseus is listed
By: Dave W (Dave W)
2011-11-14 06:45:17 CST (-0600)

as hardwood forest. Were there any hardwoods mixed in with the pine? Mushroom looks like griseus to me.

Created: 2011-10-18 00:24:43 CDT (-0500)
Last modified: 2011-11-21 10:15:41 CST (-0600)
Viewed: 199 times, last viewed: 2018-02-16 09:25:31 CST (-0600)
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