Observation 182412: Amanita Pers.

When: 2014-03-15

Collection location: Scientia 627-Jr, Pretoria, Gauteng, South Africa [Click for map]

Who: Glen van Niekerk (primordius)

No specimen available

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Very interesting.
By: R. E. Tulloss (ret)
2014-10-26 07:54:12 PDT (-0700)

I had no idea.


Hello Rod,
By: Glen van Niekerk (primordius)
2014-10-26 07:49:47 PDT (-0700)

I have found these trees in most of our provinces in South Africa. I have also found Boletus edulis under these trees. They are usually found in our colder areas, but are also found in Pretoria(a warm area). Unfortunately, I do not know the history on when this tree was introduced to South Africa.



Hello, Glen.
By: R. E. Tulloss (ret)
2014-10-26 07:35:48 PDT (-0700)

I live in a town with plentiful Quercus palustris. There is one about 10 feet from where I am sitting at this moment, in my lab area at home. Here in New Jersey we are well into the natural range of this tree, which is associated with many mycorrhizal fungi. Two species of Amanita and at least one species of Russula near the northeast corner of my house are undoubtedly due to the Q. palustris. I’m quite curious about its being introduced in South Africa.

Very best,


Added photo
By: Glen van Niekerk (primordius)
2014-10-26 07:05:51 PDT (-0700)

without flash. The tree under which it was growing is a pin oak – Quercus palustris – It has been planted many years ago. I took the photo because of the yellow cap…..I also thought at first is might be Amanita phalloides.



Is the yellow over-emphasized in the first photograph?
By: R. E. Tulloss (ret)
2014-10-12 11:02:55 PDT (-0700)

I see that the mushroom is found near Northern Hemisphere Oak. The form of the mushroom and the oak association suggest Amanita phalloides; however, I have never seen phalloides with such a bright yellow cap. There is a species quite close to phalloides that is known from eastern and southeastern Asia: A. subjunquillea. Do you know the source of the imported oak in the area where the photograph was taken?

Very best,


Created: 2014-10-12 09:11:00 PDT (-0700)
Last modified: 2014-10-26 07:00:12 PDT (-0700)
Viewed: 49 times, last viewed: 2017-06-18 23:01:49 PDT (-0700)
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