When: 2014-08-17

Collection location: Franklin Parker Preserve, Woodland Twp., New Jersey, USA [Click for map]

Who: I. G. Safonov (IGSafonov)

No specimen available

I’ve posted this one a few times in the past, but now I finally have spore measurements to go along with it.

[40/2/2]; L x W = (12.6-) 13.5-17.2 (-20.0) x (3.72-) 4.2-5.1 (-5.3) um;
L’ x W’ = 15.5 × 4.5 um; Q’ = 3.45

Though I haven’t seen a spore of less than 12.6 um long and more than 5.3 um wide in perfectly lateral view, my observations are well within the range of 11-17 × 4-6 um reported for this bolete in B-R-B.


Mounted in 5% KOH and view at x1000; 1 div = 0.465 um

Proposed Names

86% (1)
Recognized by sight
Based on microscopic features: well within the reported range (see notes)

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= Observer’s choice
= Current consensus


Add Comment
Thanks, Walter
By: I. G. Safonov (IGSafonov)
2014-08-20 22:20:13 CDT (-0400)

Surprisingly, this one is exclusively associated with the pitch pine here in NJ. It’s one of the southeastern boletes that made it all the way into the Garden State. I wonder if they see it in Cape Cod. I’ve been tempted to try this beautiful bolete (when young and it has an orange brown or red-brown cap and a tri-color stipe) it many times but the intense bluing on all the surfaces as well as the context is just to much for me. ;)

Nice Igor
By: walt sturgeon (Mycowalt)
2014-08-20 22:04:28 CDT (-0400)

I don’t know this one. Under oaks?