Observation 50043: Boletus ferrugineus Schaeff.
When: 2010-08-04
No herbarium specimen


[admin – Sat Aug 14 01:57:44 +0000 2010]: Changed location name from ‘Adirondack Loj, NY, USA’ to ‘Adirondack Loj, New York, USA

Proposed Names

45% (2)
Recognized by sight: Habitat?
57% (1)
Eye3 Eyes3
Used references: According to IF, this is the current name for X/B spadiceus.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
The reason why…
By: Dave W (Dave W)
2012-09-18 22:12:00 CDT (-0400)

I think this is spadiceus and not tenax is the blue bruising on the pores. B/R/B mentions this in their description of spadiceus. But the account of tenax is for the pores to bruise “slightly cinnamon red.”

Also, the habitat for tenax is given as “near or under oak and pine.” Perhaps it was not the intention of the authors to have it taken this way, but this sounds to me like tenax favors oak/pine mixes. There are no oak trees at Adirondack Loj.

Otherwise, this specimen looks an awful lot like the picture of texax in B/R/B.

By: Dave W (Dave W)
2010-08-10 06:46:36 CDT (-0400)

mainly a mix of birch, maple, and various conifers. Typical Adirondack woods, no oak. Found on trail that goes around Heart Lake at about 2100’ asl. I’m adding three additional pics.

Tubes bruised
By: Dave W (Dave W)
2010-08-09 20:45:21 CDT (-0400)

bluish as seen in third pic.

Created: 2010-08-09 02:33:20 CDT (-0400)
Last modified: 2015-03-05 10:58:28 CST (-0500)
Viewed: 104 times, last viewed: 2016-10-25 10:17:07 CDT (-0400)
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