Observation 172492: Cortinarius torvus group
When: 2014-07-31
No herbarium specimen

Notes: Growing on moss under beech and oak.

Microscopy:
[20/1/1]; L x W = (7.9-) 8.4-9.3 x (5.1-) 5.3-6.0 um;
L’ x W" = 8.5 × 5.5 um;
Q = (1.46-) 1.5-1.66 (-1.73); Q’ = 1.55;
Almond-shaped, roughened (pitted and corrugated surface), with one very large oil droplet visible from certain lateral views

Proposed Names

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Recognized by sight
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Comments

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Martin
By: I. G. Safonov (IGSafonov)
2014-08-13 18:34:26 PDT (-0700)

Apparently C. distans is always brown or orange-brown, while C. torvus has purple shades in the cap. Also, the latter one has longer spores. My spore measurements were consistent with C. torvus. But the major distinction is that the stipe of C. torvus is sheathed from the root to about 3/4 length with a whitish “sock” of a veil that terminates in a ring-like margin (see pix). All of this info is in mushroomexpert.com.

Cortinarius torvus
By: walt sturgeon (Mycowalt)
2014-08-13 16:00:08 PDT (-0700)

is much more robust and with a more persistent ring.

Igor
By: Martin Livezey (MLivezey)
2014-08-13 15:14:08 PDT (-0700)

What separates C. torvus from C. distans?

Created: 2014-08-04 13:40:29 PDT (-0700)
Last modified: 2014-08-13 13:41:16 PDT (-0700)
Viewed: 23 times, last viewed: 2016-09-02 00:15:40 PDT (-0700)
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