Observation 164575: Gyromitra brunnea Underw.
When: 2014-05-02
No herbarium specimen

Notes: Top three photos show the same specimen. Specimen in fourth photo was growing a few feet away.


Spores with short projections/apiculi variably arranged on edges, slightly longer on the spore ends. Took a long time for spores to drop.
Second specimen left in situ. This photo shows it after the passing of 8 days.
Projections are distributed along the perimeter of the spore profile.

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Brian, I added another spore photo…
By: Dave W (Dave W)
2014-05-11 08:28:17 ADT (-0300)

which better shows the multiple projections along portions of the perimeter of the spore profile (photo of single spore). G. korfii has spores with knob-like apiculi only seen at the two ends of the spore. Actually, the first photo I posted shows a spore with two relatively large projections that may be interpreted a such. A few of the other spores I looked at showed the flatter multiple projections.

Aside from this micro-feature, the folds on korfii tend to be more glob-like, as opposed to the sharper creases seen on brunnea. This spring I have also collected one specimen I IDed as korfii which shows the saddle-like shape generally associated with brunnea.
I did not examine spores from 164182, so although I believe this to be an example of korfii, I don’t claim the highest level of confidence.

Comparing the photos of 164575 (this obs) and 164182 well illustrates how korfii and brunnea may be confused.

Created: 2014-05-03 01:46:53 ADT (-0300)
Last modified: 2016-05-07 22:37:00 ADT (-0300)
Viewed: 74 times, last viewed: 2016-10-23 18:43:54 ADT (-0300)
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