Observation 106221: Amanita ravenelii (Berk. & M.A. Curt.) Sacc.
When: 2012-08-19
Herbarium specimen reported

Notes: Smelled like chlorine. Oak and beech mostly nearby.

Proposed Names

ham
-30% (2)
Recognized by sight
ham
28% (1)
Eye3
Recognized by sight
Used references: As per Rod’s lack of confidence in A. rhopalopus.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Nice additional pictures.
By: R. E. Tulloss (ret)
2012-08-22 19:12:40 PDT (-0700)

Thank you.

R

In looking at the picture of the warts on the cap,…
By: R. E. Tulloss (ret)
2012-08-22 19:10:50 PDT (-0700)

I think I can see hyphae apparently radiating out from the bases of some warts and lines on the sides of the warts suggesting erosion on hillsides. These two characters are good field marks for A. ravenelii. So I will suggest the latter as an ID for this observation.

R

Pileus margin>
By: Hamilton (ham)
2012-08-22 17:07:20 PDT (-0700)

The pileus margin does extend past the gills by a few millimeters. The staining hasn’t increased much though.

Patrick’s shots through a hand lens…
By: R. E. Tulloss (ret)
2012-08-21 07:41:27 PDT (-0700)

are eyeopeners. One of them I call “The Face on Mars.” It is used on the brief tab of the Amanita ravenelii taxon page of the WAO site:

http://www.amanitaceae.org?Amanita+ravenelii

R

Like this shot:
By: Patrick Harvey (pg_harvey)
2012-08-21 07:27:07 PDT (-0700)

http://mushroomobserver.org/image/show_image/52491?q=XwCB&size=full_size

Shot through a magnifier.

Amanita ravenelii warts have fibrils at their base.

It would be interesting to get as close to some warts as you can for one shot.
By: R. E. Tulloss (ret)
2012-08-20 21:05:08 PDT (-0700)

Also, it will be interesting to see if the apparent staining increases.

R

No, sorry-
By: Hamilton (ham)
2012-08-20 20:10:55 PDT (-0700)

It was kind of a hurried little mushroom foray. I’ll get some gill shots of the big guy tomorrow and collect it. I’ll probably put it in the trunk on account of how bad it reeks.

Could you tell if there was a margin on the cap that extended beyond the gills…
By: R. E. Tulloss (ret)
2012-08-20 19:53:05 PDT (-0700)

I have never seen Amanita marginata, which was described by Dr. David Jenkins from the SE U.S.

R

The bulb is not what I’d expect from rhopalopus…
By: R. E. Tulloss (ret)
2012-08-20 19:41:23 PDT (-0700)

Created: 2012-08-20 14:50:22 PDT (-0700)
Last modified: 2012-08-22 19:11:44 PDT (-0700)
Viewed: 118 times, last viewed: 2016-11-20 19:22:45 PST (-0800)
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