Observation 84354: Tuber P. Micheli ex F.H. Wigg.

When: 2011-12-04

Seen at: Berkeley, California, USA [Click for map]

Who: Noah Siegel (Noah)

Specimen available

Small, 1cm. found under a European Alder with no other types of trees close by.

Most asci four spored.

Proposed Names

57% (1)
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Recognized by sight
28% (1)
Recognized by sight

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Somewhat similar to T. spinoreticulatum
By: Daniel B. Wheeler (Tuberale)
2012-05-15 19:46:21 BST (+0100)

which should have small warts on the peridium to 1mm. I don’t see any warts though. Could peridium have been scrubbed clean? Parts of peridium seem to be missing.

Not T. gibbosum nor T. oregonense, I think: mostly because of the venae internae which nearly cross the sporocarp. But also both those species are species specific with Douglas-fir.

Alder of any variety is very unusual as a host tree for a Tuber.

Very interesting obs. Noah.

By: Debbie Viess (amanitarita)
2011-12-10 00:52:42 GMT (+0000)

what does the peridium look like?

Created: 2011-12-10 00:38:12 GMT (+0000)
Last modified: 2017-01-30 20:27:49 GMT (+0000)
Viewed: 57 times, last viewed: 2017-06-10 11:42:21 BST (+0100)
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