Observation 85578: Amanita rhopalopus Bas

Species Lists


Almost no visible
color on volva
Small uniform warts
on cap
Some color on
veil fragments
Nearby, but probably something else (like A. daucipes) do to the red staining, size above ground.
Almost no visible
color on volva
veil remnants
Almost no visible
color on volva

Proposed Names

25% (3)
Recognized by sight
48% (2)
Recognized by sight
-9% (2)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
I wouldn’t go with atkinsoniana
By: R. E. Tulloss (ret)
2012-01-03 16:46:07 EET (+0200)

In fact, I think that that species could be eliminated because it has pointed warts that are gray at first and become a deep red-brown with maturity. Also, it has a remarkably dense distribution of warts of the same color(s) on the bulb; these warts are distributed from near the top of the bulb to well below the broadest point of the bulb. This is dramatically distinctive even in dried material.

So I’d still say rhopalopus is the most likely (but not a run-away-favorite) in this horse race.

Very best,


Thanks Rod
By: Martin Livezey (MLivezey)
2012-01-03 14:16:56 EET (+0200)

Ok, so I don’t know if the button is the same or not – because I could not bring myself to dig either of them up, so let’s eliminate it. There is no partially felted collar on the bulb at the stipe base, no vertical splitting in the bulb with a pinkish staining in the split, and we don’t know if the bulb is carrot shaped or not. So what about A. atkinsoniana?

There are a couple of clues that I look for that I can’t see in these nice images.
By: R. E. Tulloss (ret)
2012-01-03 05:45:27 EET (+0200)

The button does have reddish staining.

Here’s what I don’t see:
1. color in the volva
2. a partial felted collar on the bulb at the stipe base
3. vertical splitting in the bulb with sort of pinkish staining in the split
4. a carrot-shaped bulb

It seems to me a possibility that the images other than the button might show something like rhopalopus. The different bulb would be a good clue if there was an image of the bulb unearthed.

Very best,