Observation 159496: Boletus subcaerulescens ( E.A. Dick & Snell) Both, Bessette & A.R. Bessette
When: 2011-05-08
No herbarium specimen

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Genbank
By: Irene Andersson (irenea)
2014-02-11 10:14:15 EST (-0500)

tells us that subcaerulescens and the european pinophilus indeed are very closely related, but the differences in DNA are consistent and indicates that they are different species.

One macro difference I notice between these and our pinophilus is the colour of the reticulum (dark – or darkening? – here, pale in pinophilus).

Since pinophilus sometimes shows a little blue in the tubes too, but usually not, I don’t think it’s a character that has to sort out a different species.
I beleive, Dave, that your obs 18165 is subcaerulescens too.

Dario, here’s another…
By: Dave W (Dave W)
2014-02-11 07:45:55 EST (-0500)

white-fleshed, reticulate, pine associate.
http://mushroomobserver.org/18165?q=1n6yn

I think it’s the same type as what is called Boletus pinophilus in the North American Bolete guide. But since “pinophilus” is a European name, it seems we may need a new name for this one. That is, if this actually represents a species different from B. subcaerulescens. One possibility is that some collections of subcaerulescens (seasonal? regional? annual?) may not exhibit any bluing.

Thanks Dave
By: dario.z (dario13)
2014-02-10 23:44:19 EST (-0500)

No bluing,excellent taste.

Boletus subcaerulescens…
By: Dave W (Dave W)
2014-02-10 23:16:57 EST (-0500)

is one of the earliest occurring boletes in my area, NE PA. The faint bluing can be difficult to observe, sometimes only where the cap context meets the inner tube layer, or on the inner tube layer. Young buttons sometimes show no bluing at all.

Created: 2014-02-10 22:01:45 EST (-0500)
Last modified: 2014-02-11 21:39:01 EST (-0500)
Viewed: 56 times, last viewed: 2016-10-24 04:42:18 EDT (-0400)
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