Observation 22271: Inocybe (Fr.) Fr.

When: 2009-06-14

Collection location: St. Genis, France [Click for map]

Who: Douglas Smith (douglas)

No specimen available

Found on a mossy bank of a stream, under mixed woods (mostly hardwoods). Cap 5-8 mm in diameter, stipe 1-2 cm long.

These were put under the scope, and they had smooth, ellipsoid, light brown spores. They had clavate elongated cheilocystidia on a non-fertile gill edge, no pleurocystidia obs.

Some people thought these had a fishy odor, I didn’t think they had much of an odor myself, they were so small and all I got really was the mossy bank odor. After passing them around there was a consensus that they had a spermatic odor.

Looking in sources, there was a suggestion of I. piscinodora, or a synonym of this, but some people didn’t agree. They seemed to be related to I. calamistrata, but weren’t that, just somewhere in that same section of Inocybe.

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Add Comment
By: Dimitar Bojantchev (dimitar)
2009-06-17 17:02:05 CEST (+0200)

In general the fishy component is the second most common one in
Inocybe to my nose, after the well known spermatic one. The group
around I. calamistrata has the most powerful fishy odor, but this one
doesn’t quite look like it. Can’t even guess what these Inocybe are
and they even seem to be immature fruitbodies. I. lacera is very
easily told by spore shape. A lot more can be said about the odor of
Inocybe, but unfortunately it appears to be a weak taxonomic factor at
species level, as in most cases I have been very surprised when people
who I have collected with did not exactly share my odor perception.

It is possible
By: Gerhard Koller (Gerhard)
2009-06-17 14:17:26 CEST (+0200)

it could be lacera although the macroscopical picture somehow does not look like it; but it is nearly too adventurous to draw a conclusion on it. Besides the specimen seem to be young.

Spores long enough…
By: Douglas Smith (douglas)
2009-06-17 14:12:28 CEST (+0200)

Going by memory I’d say the spores were about twice as long as broad. I didn’t get to into it, because another member of the group wanted to look at them, and really didn’t feel like wasting more time on them, I wasn’t that confident they could be id’ed…

Inocybe pisciodora
By: Gerhard Koller (Gerhard)
2009-06-17 14:09:37 CEST (+0200)

has a distinctive fishy smell and never smells like sperm, so you can clearly rule it out. Besides it is not that felty on the cap. Were the spores twice as long as broad?

Created: 2009-06-17 13:28:12 CEST (+0200)
Last modified: 2009-06-17 13:28:12 CEST (+0200)
Viewed: 46 times, last viewed: 2017-06-06 06:49:14 CEST (+0200)
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