Observation 24950: Tylopilus P. Karst.
When: 2009-09-03
Herbarium specimen reported

Notes: Found growing in a disturbed area What caught my eye was the bluing of this specimen/ The flesh bruises dark blue quickly then to brown; Taste bitter and mild on others. There where several in an area cleared away some years ago. but near by was Oak/Hickory/ growing on ON disturbed ground. Spore print brown. pores white then turning a light violet as it ages.

Proposed Names

34% (4)
Recognized by sight: found growing in a bare area but Oak and Hickory near by.
Used references: Audubon field Guide to North American Fungi. page 595
Based on chemical features: Red In Koh
55% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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thanks Bill, very useful info.
By: Debbie Viess (amanitarita)
2009-09-04 09:13:26 PDT (-0700)
Porphyrellus again
By: Bill (boletebill)
2009-09-04 08:29:58 PDT (-0700)

Debbie: Just to clarify the seldom clear generic shuffle of many boletes the genus Porphyrellus is not a “new” genus but goes back to 1931. So the boletes formerly known as Tylopilus porphyosporus (and a couple of possible synonyms) have been sent BACK to Porphyrellus (by some authors) to accomodate the un-tylopilus-like characters of rapid blue staining, a dark brown to blackish pore surface and an almost brown sporeprint.

Bill Yule

OK, what is it again that has caused this former Tylopilus…
By: Debbie Viess (amanitarita)
2009-09-04 07:25:33 PDT (-0700)

to be split into its own new genus? I think we may have had this discussion elsewhere, but I can’t seem to find it. help!

Created: 2009-09-03 21:36:58 PDT (-0700)
Last modified: 2015-03-16 15:55:45 PDT (-0700)
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