Observation 33446: Rhizopogon occidentalis Zeller & C.W. Dodge
When: 2010-02-11
Who: BakerSt10
No herbarium specimen

Proposed Names

56% (4)
Eye3 Eyes3
Recognized by sight: Growing with Chinquapin & Knobcone Pine

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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R. ochraceorubens
By: Daniel B. Wheeler (Tuberale)
2010-02-18 09:04:43 PST (-0800)

as the name implies should have both darker brown ochre and reddish rhizomorphs. The yellow peridium especially near the gleba is very common for R. occidentalis. But I still have questions with the host.

By: BakerSt10
2010-02-13 15:22:28 PST (-0800)

Claremont Chert in this area is upturned and drains very well. It breaks into smaller rock particles that then disintegrates into fine particles.

If Rhizopogon occidentalis and chert
By: Daniel B. Wheeler (Tuberale)
2010-02-13 14:14:33 PST (-0800)

then this is an important observation. Typically found in sand dune areas near the coast or in deep volcanic soils in the Cascades. Chert is neither sandy or especially well-drained.

By: BakerSt10
2010-02-13 07:54:27 PST (-0800)

It was growing with Claremont Chert a local formation. It had no noticeable odor

Hope you made a collection.
By: Daniel B. Wheeler (Tuberale)
2010-02-12 22:34:53 PST (-0800)

R. occidentalis is not currently known with Knobcone pine, and no Rhizopogon I know of if associated with chinquapin. However, I agree tentatively that your photos do look like Rhizopogon occidentalis. Were they found in sandy soils? Was there an odor associated with them?

Created: 2010-02-11 15:45:54 PST (-0800)
Last modified: 2010-02-11 15:45:54 PST (-0800)
Viewed: 138 times, last viewed: 2017-01-06 10:56:09 PST (-0800)
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