Observation 138784: Amanita roseitincta (Murrill) Murrill
When: 2013-07-06

Notes: drying for RET

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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thanks everybody
By: Jimmy Craine (doctorghosty)
2013-07-08 15:53:48 CDT (-0500)
Beautiful finds
By: Josh M.K. (suchen)
2013-07-06 17:49:37 CDT (-0500)

and great photos. Really nice observation.

the buttons are certainly orange….
By: Cristina Rodríguez-Caycedo (Crispeta)
2013-07-06 16:34:17 CDT (-0500)

but A. cruzii retains the intense rusty orange tones (in the volval remnants and pileus color) even after expansion. And A. roseitincta has volval remnants which fade to peach or pink or lighter.

This significant color contrast—of volval remnants & of pileus—between a button and a mature fruiting body of A. roseitincta, is one way you can tell it apart from A. cruzii.

In the button stage (“super” button stage…as seen in these very cool pics) it could be tricky to determine—by sight alone—which species you have. Both species are similar enough as buttons (when no warts remain), that they remind me of the pharyngula stage of vertebrates :S

You could also consider location location location, given that A. cruzii is only known to occur (so far) in the neotropics.

Wow! Nice obs Jimmy.
By: Dave W (Dave W)
2013-07-06 13:00:20 CDT (-0500)

Really cool mushrooms. Well photographed, including different stages of development and highlights of macro-characters.

Thank you, Jimmy.
By: R. E. Tulloss (ret)
2013-07-06 12:50:20 CDT (-0500)


buttons were somewhat orange and powdery
By: Jimmy Craine (doctorghosty)
2013-07-06 11:11:43 CDT (-0500)

fading to pinkish

what an unusual section Amanita!
By: Debbie Viess (amanitarita)
2013-07-06 11:08:09 CDT (-0500)

this is where the micro details come in handy, eh? Those inamyloid spores…

Never seen it before. Someday…;)
Nice year for them.

The pattern of disappearing volva on the cap…
By: R. E. Tulloss (ret)
2013-07-06 10:58:07 CDT (-0500)

is pretty typical of roseitincta.


I think this is Amanita roseitincta.
By: R. E. Tulloss (ret)
2013-07-06 10:55:33 CDT (-0500)

The buttons seem very orange…maybe I have just never seen them at this stage of development. Do you think your colors in the photos match the colors you saw?

I want Cristina R. to take a look at this.

Very best,


By: Debbie Viess (amanitarita)
2013-07-06 10:48:15 CDT (-0500)

Created: 2013-07-06 10:40:40 CDT (-0500)
Last modified: 2013-07-06 15:54:50 CDT (-0500)
Viewed: 158 times, last viewed: 2017-04-06 07:22:18 CDT (-0500)
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