Observation 168463: Boletus nobilis Peck
When: 2014-06-26

Notes: Growing under beech. The largest specimen does have some yellow at apex of stipe. Ammonia reactions are negative on pileus and stipe, but do produce a red reaction on pore surface and a lesser red reaction on tube surface. Some very light, white reticulation at apex of stipe.

I found this same mushroom last year and was thinking it was B gertrudiae, but was also on fence with B nobilis. Looking for opinions, please.

Images

429583
Note the white reticulation at apex.
429584
Immediately after slicing.
429585
Red ammonia reaction on pore surface on right side of mushroom.
429586
Lesser red ammonia reaction on right side do tubes.
429587
Yellowing at apex on older specimen.
429588

Proposed Names

27% (1)
Eye3
Used references: Bessette/Roody North American Boletes
61% (2)
Eyes3
Recognized by sight: Pores appear to lack the bright yellow phase reported by B/R/B for B. gertrudiae.

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

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Thank you Dave W.
By: LukeS (Mycofreak )
2014-06-28 08:04:59 CDT (-0500)

Created: 2014-06-26 20:58:59 CDT (-0500)
Last modified: 2014-07-04 16:41:38 CDT (-0500)
Viewed: 50 times, last viewed: 2016-10-22 01:19:56 CDT (-0500)
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