Observation 50842: Amanita rubescens Pers.

When: 2010-08-13

Collection location: Duna-Ipoly Nemzeti Park, Hungary [Click for map]

Who: Douglas Smith (douglas)

No specimen available

Found under mixed hardwoods, mostly oak and beech



Proposed Names

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Thanks for taking the time..
By: R. E. Tulloss (ret)
2010-08-21 06:49:27 PDT (-0700)

for two replies.

Very best,


Oh, the init. color…
By: Douglas Smith (douglas)
2010-08-21 06:17:25 PDT (-0700)

Ah, the initial color of the cap without the red staining. I don’t think so, at least, like I said, I haven’t heard another name used for red-staining Amanitas. I guess I have seen the color very a bit from light-cream-tan to a deeper medium tan, not really white like A. novinupta I suppose.

If there is some splitting in names used from variation of that cap color, I haven’t heard of it yet. At least for the Geneva area…

Ground color
By: R. E. Tulloss (ret)
2010-08-21 04:39:45 PDT (-0700)

I eas more interested in the ground color than in the bruising. Some European authors have segregated varieties of rubescens based on cap color. In Scotland, I’ve seen deep brown caps. A variety was proposed in 2004 with a tannish cap. The name var. alba Coker is persistently misapplied in Europe to something that looks very much like A. novinupta (cap very white at first).


Redness variable, yes…
By: Douglas Smith (douglas)
2010-08-21 00:36:05 PDT (-0700)

There is a large variation of redness in the A. rubescens I’ve been finding, yes. This is becoming one of the more common species I find in the late summer, and the amount of reddening can be very different. To not much when young, and if the conditions are dry, to plenty when older and moist.

I don’t think I’ve met anyone that divides up rubescens collections based on cap colors. Or also, I don’t think I’ve heard any other name that would be similar but separated based on colors.

I have more photos of A. rubescens taken on this trip, but I’m usually just posting the best examples for each obs. here. Not sure if you might want to see more variations or not…

Very interesting.
By: R. E. Tulloss (ret)
2010-08-20 19:51:19 PDT (-0700)

Are you seeing a range in saturation of pigmentation in this species. Do people you’ve met in Europe make distinctions between collections of rubescens based on cap color?


Created: 2010-08-20 03:55:05 PDT (-0700)
Last modified: 2012-11-16 10:35:48 PST (-0800)
Viewed: 41 times, last viewed: 2017-07-31 23:45:22 PDT (-0700)
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