Observation 196153: Xerocomus subtomentosus group

When: 2015-01-07

Collection location: Coastal Sonoma Co., California, USA [Click for map]

Who: Terri Clements/Donna Fulton (pinonbistro)

No specimen available

Proposed Names

-20% (3)
Recognized by sight: brown velvety cap, bright yellow irregular pores bruising blue, whitish stem with ridges at apex and thick cottony yellow white mycelium at base, firm white context reddening under the cuticle, on ground in redwood duff

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Christian (Christian Schwarz)
2015-01-14 21:13:18 CST (-0500)

they are both probably bad names for CA species, and even if they aren’t a bit of voodoo mycology is involved:

From the macro descriptions
By: Terri Clements/Donna Fulton (pinonbistro)
2015-01-14 20:18:55 CST (-0500)

at mykoweb, Mushroom Expert and NA Boletes by BRB Boletus spadiceus seems as likely as Xerocomus subtomentosus for this obs given the strong bluing on the pores, the reddening of the flesh under the cap cuticle and the whitish stem with longitudinal lines at the apex. What am I missing? Anyone?



Created: 2015-01-12 22:46:49 CST (-0500)
Last modified: 2015-01-14 01:56:46 CST (-0500)
Viewed: 67 times, last viewed: 2018-01-28 10:44:32 CST (-0500)
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