In some grass near a trail, in mixed forest near the creek.


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Amanita dolichopus has a very distinctly white cap that can turn pink when cut.
By: R. E. Tulloss (ret)
2018-05-06 18:19:46 -05 (-0500)

Then the pink fades. The inner layer of the multilayered volva is left on the pileus in what often looks like cuneiform writting at the inner end of the marginal striations. I don’t think this is dolichopus


If sect. Amidella
By: I. G. Safonov (IGSafonov)
2018-05-06 17:13:34 -05 (-0500)

…the closest I could think of is dolichopus, e.g., obs 285449.

The color balance was difficult to reach
By: Alexey Sergeev (asergeev)
2018-05-06 16:52:31 -05 (-0500)

because of green color from dense tree canopy that was heavily compensated by adding magenta in Photoshop. I may try to use a calibration card sometimes in future. The colors of the mushroom are very uncertain, and its appearance is quite average. It seems that the cap is slightly greenish to the border and light brown in the center. Thanks for the discussion.

Hello, Rod
By: I. G. Safonov (IGSafonov)
2018-05-06 16:26:34 -05 (-0500)

Thank you for the comment… The cap color looks dingy white to my eye.

Hello, Igor.
By: R. E. Tulloss (ret)
2018-05-06 14:56:38 -05 (-0500)

Is the cap gray or white? My impression is that it is gray.

I agree that sections Amidella and Vaginatae can be very similar in a number of macrocharacters such as a striate cap margin, a totally elongating stipe, a punctate stipe surface, sharply truncate lamellulae, etc. I don’t know of any North American (or European) amidellas with a gray cap; so I just jumped to the Vaginatae.


Rod, [edited]
By: I. G. Safonov (IGSafonov)
2018-05-06 10:39:03 -05 (-0500)

Any chance this could be in sect. Amidella? The texture and color of the cap surface and UV and the reddening of the cut flesh suggest that. However, I agree that this looks more like a sect. Vaginatae stature-wise.

A link that may be of use
By: R. E. Tulloss (ret)
2018-05-06 10:11:20 -05 (-0500)
Good documentation. Did you dry the material?
By: R. E. Tulloss (ret)
2018-05-06 10:08:59 -05 (-0500)

My impression is that this species has unusually short marginal striation on a gray(?) cap. Unfortunately there is some color variation in the photographs. This is probably an undescribed species.

Very best,

Rod Tulloss

Created: 2018-05-05 22:02:27 -05 (-0500)
Last modified: 2018-05-06 18:19:47 -05 (-0500)
Viewed: 103 times, last viewed: 2018-12-26 16:24:10 -05 (-0500)
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