Observation 222237: Radiigera Zeller

When: 2015-11-08

Collection location: Frank Church River of No Return Wilderness, Idaho, USA [Click for map]

Who: Earl (EGLunceford)

No specimen available

Found with Doug fir and Ponderosa Pine

Species Lists



Proposed Names

56% (1)
Recognized by sight
Used references: Field Guide to North American Truffles; NATS Field Guide to Selected North American Truffles and Truffle-like Fungi

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= Observer’s choice
= Current consensus


Add Comment
Thanks, E.G.
By: Daniel B. Wheeler (Tuberale)
2015-11-10 05:21:50 CET (+0100)

That specimen is very large for a Radiigera, which is one reason I thought it might not be R. fuscogleba.

By: Earl (EGLunceford)
2015-11-09 23:42:10 CET (+0100)

This specimen was found at an elevation of 3,670 feet according to my GPS.

According to NATS Field Guide,
By: Daniel B. Wheeler (Tuberale)
2015-11-09 21:42:02 CET (+0100)

“Under Douglas-fir, pine, oak, poplar, and many other kinds of trees at low to moderate elevations and warm sites.” I don’t think “River of No Return” qualifies as “low to moderate elevations.” The capitate columella is easy to find near the center of the sporocarp; the rest of the columella is less easy to find as it is located on the flattened, underside of the sporocarp. There are many Radiigera species known on the West Coast, and especially at “moderate” to higher altitudes.