Observation 110229: Retiboletus griseus (Frost) Manfr. Binder & Bresinsky
When: 2012-09-17
Who: vjp
Herbarium specimen reported
0 Sequences

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This is a weird one
By: Christian (Christian Schwarz)
2014-07-29 18:33:17 CDT (-0400)

The cap colors and intense red stains don’t look like the other R. griseus observations here, but I don’t have too much experience with the species. This is neat, it definitely merits a deeper look.

By: I. G. Safonov (IGSafonov)
2012-09-18 01:25:34 CDT (-0400)

I find these red-staining types under pitch pines in the NJ coastal plain all the time in July and August (see my own obs #74396 and that of Martin Livezey from DE shore — #106350). Once I even collected them in a cedar bog. Time to sequence these and make a new variety of R. griseus.

The NA Bolete book…
By: Dave W (Dave W)
2012-09-18 00:20:21 CDT (-0400)

mentions R. griseus var. fuscus, a Japanese species that has been found in Cape Cod. I know it’s a long-shot, but the bright red staining on the stipes in this obs is not something I recognize as typical for R. griseus. Also, looks like this collection may have been made under pine… I seem to recall a similar obs showing up some time back from North or South Carolina…?

Created: 2012-09-17 21:44:08 CDT (-0400)
Last modified: 2012-09-18 12:24:33 CDT (-0400)
Viewed: 74 times, last viewed: 2017-06-14 03:29:09 CDT (-0400)
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