Observation 14610: Boletus L.
When: 2008-11-24
No herbarium specimen

Notes: Many of these were being consumed my what might be Hypomyces chrysosporium. See pics.

[admin – Sat Aug 14 01:58:56 +0000 2010]: Changed location name from ‘Bryant Woods Park, Lake Oswego, OR’ to ‘Bryant Woods Park, Lake Oswego, Oregon, USA

Images

30119
Copyright © 2008 Aimon Bustardo
30118
Copyright © 2008 Aimon Bustardo
30120
Copyright © 2008 Aimon Bustardo

Proposed Names

41% (2)
Eye3
Recognized by sight: Could be Boletus Truncatas. Can’t tell without microscope.
37% (5)
Eye3
Recognized by sight: with that really dark cap…
55% (1)
Eyes3
Recognized by sight: not really identifiable through a photo alone. Truncatus should blue instantly on its pores; microscopy would show truncate spores, flattened at one end.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Lack of blue-staining reaction on pores
By: Daniel B. Wheeler (Tuberale)
2012-04-02 13:48:09 PDT (-0700)

where handled/predated on. While zelleri not typically with bulbous base, may be expansion of Hypomyces from base upward, giving the impression of bulbous base only.

Not Zelleri
By: Aimon (mycophile)
2008-11-30 21:58:41 PST (-0800)

That pic of the cap is a bit deceptive. It actually was brown, cracked and pink showing through around edges. Almost exactly like this pic: http://www.mykoweb.com/CAF/species/Boletus_truncatus.html

Close
By: Daniel B. Wheeler (Tuberale)
2008-11-30 12:43:07 PST (-0800)

Last photo of Hypomyces chrysospermum, aka Boletus eater in Arora’s Mushrooms Demystified. This also suggests the Bolete being eaten was B. zelleri. Both species were quite common yesterday at Paul Bishop’s Tree Farm, about 8 miles SE from your location. Boletus zelleri typically does not have a bulbous base, though.

Created: 2008-11-24 19:18:31 PST (-0800)
Last modified: 2012-04-02 13:46:19 PDT (-0700)
Viewed: 183 times, last viewed: 2016-09-08 03:07:37 PDT (-0700)
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