Observation 172804: Pisolithus Alb. & Schwein.

When: 2014-08-06

Collection location: Del Mar, California, USA [Click for map]

Who: Jacob Kalichman (Pulk)

Specimen available

just to have another non-Eucalyptus specimen.

With pine, one of the tall skinny Euphorbias with angular cross sections and spines coming out of the vertical ridges, Strelitzia. Presumably associated with the pine but let’s avoid confirmation bias.



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You are right to “avoid confirmation bias,” Jacob.
By: Daniel B. Wheeler (Tuberale)
2014-08-07 15:34:55 PDT (-0700)

But I’m fairly certain pine may be the host in this case.

Euphorbias are interesting plants (unless you’re a mole). The sap is poisonous towards moles. Euphorbia is known as mole purge for a reason.

Pisolithus are mycorrhizal with most pines, firs, and most native trees. They are also mycorrhizal with most shrubs on the West Coast. They may be mycorrhizal with some sagebrush and xeric woody plants.

That said, this one has large periodioles.

Created: 2014-08-07 10:34:16 PDT (-0700)
Last modified: 2014-08-07 10:34:22 PDT (-0700)
Viewed: 18 times, last viewed: 2017-06-18 12:13:54 PDT (-0700)
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