When: 2010-12-03

Collection location: Canyon, Contra Costa Co., California, USA [Click for map]

Who: BakerSt10

No specimen available


Proposed Names

4% (6)
Recognized by sight: Growing with Madrone, Some animal chewed out the (eyes)
48% (7)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
By: Debbie Viess (amanitarita)
2012-04-02 11:33:46 CDT (-0500)

but this example lacks the pinched stipe base of dryophilus, as well as showing zero bluing; the pores at least should blue with handling.

also the red and yellow coloration in the stipe is not as dramatically separated as is more typical for dryophilus.

Harry Thiers did state, in “California Mushrooms, A Field Guide to the Boletes” that he suspected that B. dryophilus would eventually be found throughout the California live oak range. In 1975 it had already been collected from the SF BA down to San Diego; there are many more trained eyes looking nowadays.

I have found it at
By: Noah Siegel (Noah)
2012-03-31 09:17:45 CDT (-0500)

Pt. Reyes, a few spots on the Peninsula and Santa Cruz, so it’s not that surprising…

did it blue?
By: Debbie Viess (amanitarita)
2012-03-31 09:15:29 CDT (-0500)
not just a northern location…
By: Debbie Viess (amanitarita)
2012-03-31 09:14:24 CDT (-0500)

but an unusually wet one.

dryophilus is common in San Diego. I have also found it in Clayton, at the foot of Mt. Diablo (confirmed by Desjardin at the time, way pre-MO).

But Canyon??! That’s about as damp as the BA gets!

This is a very wacky year, though. Leccinum manzanitae having a huge flush in freakin’ March???! Throw out the rule books.

Bolek Kusnik also found this sp. in Union City (on MO).

Time to rewrite some of these range and habitat descriptions, perhaps.

OK zelleri fans; make your case for this being zelleri
By: Noah Siegel (Noah)
2012-03-31 08:54:29 CDT (-0500)
ID features
By: Christian (Christian Schwarz)
2012-03-28 22:59:34 CDT (-0500)

Strongly cracking cap with lots of red tones, red on stipe mostly near base – looks good for B. dryophilus.

I can’t wait for the day when these are published as Xerocomus. But such critical taxonomic issues get overlooked by the Lamestream Media.

In response to the Tea Party, I propose the formation of an organization of taxonomic reform advocates: The Melzer’s Party.

oh really?
By: damon brunette (damonbrunette)
2011-01-20 19:38:50 CST (-0600)

that frb hardly looks like it could even pull 1500 on the SAT’s!! Must have money connections.

By: Noah Siegel (Noah)
2011-01-20 17:50:05 CST (-0600)

Christian and I saw it at Stanford last week…

Furthest North
By: Danny Newman (myxomop)
2011-01-20 17:40:19 CST (-0600)

This is the furthest north B. dryophilus observation by far, if true. All of the other observations are south of Los Angeles.