Observation 187380: Rhizopogon occidentalis Zeller & C.W. Dodge
When: 2014-11-04
No herbarium specimen

Notes: Habitat: Mostly Manzanitas nearby but there was some small Pines mixed in.

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Manzanita was closer.
By: Randy Longnecker (Randy L.)
2014-11-05 16:35:32 EST (-0500)
Rhizopogons are mycorrhizal.
By: Daniel B. Wheeler (Tuberale)
2014-11-05 16:24:29 EST (-0500)

Both manzanita and pine are mycorrhizal. Which species would you say was closer to this obs.?

Thanks Daniel…
By: Randy Longnecker (Randy L.)
2014-11-05 15:58:01 EST (-0500)

Good info as usual.

You are probably correct, Randy.
By: Daniel B. Wheeler (Tuberale)
2014-11-05 12:49:43 EST (-0500)

Rhizopogon occidentalis is very common and is often found in large numbers, anywhere near Pinus (especially Lodgepole pine) in sandy soils.

The other possibility here would be Rhizopogon rubescens, which is found less commonly in the same situations. R. occidentalis can only be rated
“promising” in this case, because it should have orange rhizomorphs on the peridium (root-like structures). This has red rhizomorphs, which would be more diagnostic of R. rubescens.

Created: 2014-11-05 09:28:01 EST (-0500)
Last modified: 2014-11-05 12:50:18 EST (-0500)
Viewed: 33 times, last viewed: 2016-10-21 16:58:23 EDT (-0400)
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