Observation 242864: Boletus atkinsonii Peck

When: 2016-06-15

Collection location: Flemming Park, near Shreveport, Louisiana, USA [Click for map]

Who: Ron Pastorino (Ronpast)

No specimen available

Growing in mixed woods…both pine and hardwoods nearby.
Caps up to 11.5 cm across, finely areolate and somewhat wrinkled especially in age. Most of stipe thinly reticulated.
Caps fairly spongy, not firm.
Did not get a good spore print but they appeared to be olive brown.
Spores ~ 11.2-14.0 X 4.0-4.7 microns, fusiform.
Did not do much else with these and was not able to save them.


Spores in !% KOH @ 1000X.

Proposed Names

29% (1)
Recognized by sight
61% (2)
Recognized by sight
Used references: MushroomExpert.com
Based on microscopic features: Spore size

Please login to propose your own names and vote on existing names.

= Observer’s choice
= Current consensus


Add Comment
Don’t mention it, Ron
By: I. G. Safonov (IGSafonov)
2016-06-28 21:13:05 PDT (-0700)

B. atkinsonii is infrequent even the Northeast; I am sure it’s often confused with the ubiquitous B. variipes. I am yet to find this species myself. If the ID is accurate, the southern distribution range of this species needs to be updated. :-)

Boletus atkinsonii looks like a
By: Ron Pastorino (Ronpast)
2016-06-28 20:54:20 PDT (-0700)

good ID based on what I see on Mushroom Expert.
Good fit on spores also and even down to the stuffed pores on one of the fbs.
Thanks I. G.

Yes I. G., unfortunately
By: Ron Pastorino (Ronpast)
2016-06-28 20:47:08 PDT (-0700)

it was the last day of my trip and my drier and I were both overloaded.
I didn’t recognize the rather unique qualities of this pair.

By: I. G. Safonov (IGSafonov)
2016-06-28 19:59:01 PDT (-0700)

This is an interesting collection in terms of morphology and geography. It’s a shame you could not save these.