Observation 85020: Cortinarius subgenus Phlegmacium (Fr.) Fr.
When: 2011-12-21

Notes: Caps were up to 14.8 cm across.
They seemed relatively dry although they were fairly aged and conditions also dry.
Spores were ~ 9.6-10.2(11.0) X 6.0-7.0 microns, and rough.
KOH on cap turned brown.
KOH on stem was light brown.
KOH on cap flesh and stem flesh was light yellow.
No strong odor was detected and the taste was mild.

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Comments

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Yes, and all of the stems
By: Ron Pastorino (Ronpast)
2011-12-22 20:39:04 PST (-0800)

were of the same general shape.

The confusing part…
By: Dimitar Bojantchev (dimitar)
2011-12-22 20:22:40 PST (-0800)

Is that the spores look rather calochroid to me, rough and with that general shape, while there is no emarginated bulb showing at all. So, here I am caught between a rock and a hard place…

D.
The only other photo I took was the same position
By: Ron Pastorino (Ronpast)
2011-12-22 18:23:02 PST (-0800)

but with a flash(third photo). It does show a little more detail on the stem.
There was a smaller, slightly younger specimen under the caps of the two left ones but I broke it pulling them out. However, it looked similar to the three showing.
After drying, the caps retained the relatively bright rusty coloring.

Do you have more photos?
By: Dimitar Bojantchev (dimitar)
2011-12-22 18:09:11 PST (-0800)

Ron, this one puzzles me. By now I’m supposed to know almost all Phlegmacium in our area and this one rings a bell, but let me think – on first look I’d have thought that this one is loaded with anthraquinones – see how the disk of the pileus oxidizes. But then the KOH reactions are wrong. Need to think. But an extra photo would be nice, if available. Need to think what these spores tell me, they are key here.

D.

Created: 2011-12-22 13:17:51 PST (-0800)
Last modified: 2016-01-06 09:59:57 PST (-0800)
Viewed: 51 times, last viewed: 2016-01-06 17:16:09 PST (-0800)
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