Observation 22895: Caloboletus inedulis (Murrill) Vizzini

When: 2009-07-02

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

Who: Dan Molter (shroomydan)

No specimen available

This bolete struck me as very odd. I encountered it well after dusk on my way out of the woods. The photos are not so good, but maybe somebody will recognize it. I brought the cap home, but it failed to drop spores. I seem to be having a run of bad luck with that lately.


This photo taken three days after collection.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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so what to do?
By: Johannes Harnisch (Johann Harnisch)
2009-11-24 19:32:31 CST (-0500)

with those obs on Boletus calopus ? what shall we call them?
how about this one ? http://mushroomobserver.org/24854?search_seq=1018455

The areolate cap
By: Irene Andersson (irenea)
2009-07-06 08:32:14 CDT (-0400)

is mentioned as a character for inedulis. I have never seen that in calopus (at least the cap stays pale even if it can crack during dry conditions).
This has a rather slender habitus too, so Boletus inedulis is definitely a better choice.

Boletus calopus does probably not exist in USA, at least not in California.. Those obses here on MO should be checked again.

Neapolitan ice cream
By: Dan Molter (shroomydan)
2009-07-06 00:32:24 CDT (-0400)

the undamaged stem has chocolate, vanilla, and strawberry bands. :)

I was wondering what you would call it. lol
By: Johannes Harnisch (Johann Harnisch)
2009-07-05 19:31:04 CDT (-0400)

how does it differ from Boletus rubripes? (but that species is said not to have a reticulate stalk and i think these do) Boletus calopus (said to =Boletus pachypus ?) it may be that the bitter has faded or perhaps you could find someone else to try it to make sure.

Now I understand why you call one species Boletus patrioticus ;)
By: Gerhard Koller (Gerhard)
2009-07-05 18:47:55 CDT (-0400)
I dunno, Dan, that red white and blue thumbnail reminds me of…
By: Debbie Viess (amanitarita)
2009-07-05 17:12:56 CDT (-0400)

Boletus fourthofjulyus.

maybe mildy bitter
By: Dan Molter (shroomydan)
2009-07-05 11:28:16 CDT (-0400)

I just tasted it again, took a big bite this time. The taste could be described as mildly bitter, but not nearly so bitter as some boletes. Of course this mushroom has been sitting out for three days and no longer stains blue. Maybe the bitterness fades with time like the color.

Not bitter?
By: walt sturgeon (Mycowalt)
2009-07-05 11:24:12 CDT (-0400)

Then it’s probably not B. inedulis or B. calopus.

Mild taste
By: Dan Molter (shroomydan)
2009-07-05 08:07:42 CDT (-0400)

I just picked the thing up and took a nibble. Its been sitting on my shelf for three days. Not much flavor at all.

By: Irene Andersson (irenea)
2009-07-05 05:00:14 CDT (-0400)

If it is what I think it looks like, it has a very bitter taste.

By: Erin Page Blanchard (CureCat)
2009-07-05 04:47:17 CDT (-0400)

Those are some cool colours.

This one is pretty young. If you pick mushrooms before they are mature, the spores are much less likely to have developed fully, so spore printing can take longer, be more difficult, or simply impossible.

Created: 2009-07-04 19:07:57 CDT (-0400)
Last modified: 2014-11-23 14:05:13 CST (-0500)
Viewed: 271 times, last viewed: 2018-05-17 12:25:31 CDT (-0400)
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