Observation 49278: Gautieria monticola Harkn.
When: 2010-06-17
No herbarium specimen

Notes: Under Abies concolor (white fir).

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true Erin…
By: Debbie Viess (amanitarita)
2010-07-28 15:22:30 EDT (-0400)

but you are talking about intact, fresh outta the ground truffles looking the same. more hints are revealed when they are sliced, and the final arbiter of course is the microscopy.
with no herbarium specimen, this ID is at the end of the road…but to my eye, it does indeed look “promising” to be Gautiera monticola.

I agree that getting these guys under the scope reveals lots of cool details…I’m all for it! Also SO useful when the poster shares that micrograph with the rest of us.

By: Erin Page Blanchard (CureCat)
2010-07-28 14:41:37 EDT (-0400)

I think I told the story of Tom B. digging up 5 different, very similar looking hypogeous truffle-like things in a small area with a lot of the same trees at Yosemite, and stopped making collections as he assumed they were a lot of the same. Then when we got back to the foray cabin he looked at them under the microscope and each collection ended up being something different, and every one was in a different genus! There was a real Tuber, too. That was pretty neat, the spores looked awesome.

Anyway, the point being that microscopy is really necessary for identifying a lot of hypogeous fungi.

for what it’s worth…
By: Debbie Viess (amanitarita)
2010-07-28 10:39:55 EDT (-0400)

the gleba and columella of this truffle is a dead ringer for other obsies on MO of this species.

Spores are
By: Alan Rockefeller (Alan Rockefeller)
2010-07-28 05:41:52 EDT (-0400)

Spores are in the compost. I’ll do microscopy next time.

Spores? Spores are…?
By: Douglas Smith (douglas)
2010-07-28 05:37:34 EDT (-0400)
By: Erin Page Blanchard (CureCat)
2010-07-28 04:09:59 EDT (-0400)

Looks quite a bit like H. utriculatus, though according to Mike’s site, that is supposed to be a Winter fruiting species found in mixed woods.

Created: 2010-07-28 02:28:16 EDT (-0400)
Last modified: 2010-07-30 06:03:24 EDT (-0400)
Viewed: 91 times, last viewed: 2016-10-26 08:05:10 EDT (-0400)
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