Observation 168501: Boletus L.

Single fb growing in mixed woods.
Cap 2.25 cm across.
Flesh light yellow with no bruising and pores not bruising.
Could not get a spore print and extracted spores yellowish in KOH.
Spores ~ 8.0-10.0 X 3.9-4.5 microns, mostly cylindrical, smooth with oil droplets.
Smallish spores seem to eliminate a few potential possibilities.


Spores in KOH @ 1000X.

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Aureoboletus innixus may be
By: Ron Pastorino (Ronpast)
2014-06-27 14:35:54 CDT (-0400)

a good possibility Igor.
An isolated fruit body in a semi-foreign land may not have all the classic features.
Unfortunately I didn’t spend a lot of time on it(before drying) so I can’t answer your questions.
Thanks for the input.

Interesting find, Ron
By: I. G. Safonov (IGSafonov)
2014-06-27 13:17:41 CDT (-0400)

The color scheme reminds me of Aureoboletus innixus, but the shape of the stipe suggest otherwise. The spore size is a good fit with A. innixus as well. Were the tubes “xerocomoid”, i.e. splitting in half when pulled away from each other? What about macrochemical tests?

Created: 2014-06-27 11:50:19 CDT (-0400)
Last modified: 2014-06-27 11:56:21 CDT (-0400)
Viewed: 53 times, last viewed: 2019-07-14 19:52:47 CDT (-0400)
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