Observation 44358: Amanita sect. Amanita

When: 2009-06-15

Collection location: Mansville, Pennsylvania, USA [Click for map]

Who: Hamilton (ham)

No specimen available

Found in the vicinity of oak, elm, poplar, and sassafras.

[admin – Sat Aug 14 02:02:39 +0000 2010]: Changed location name from ‘Mansville, PA’ to ‘Mansville, Pennsylvania, USA


Copyright © 2010 Hamilton
Copyright © 2010 Hamilton
Copyright © 2010 Hamilton

Proposed Names

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Add Comment
By: Hamilton (ham)
2010-04-19 01:30:58 BST (+0100)

Thanks Rod. Looking forward to seeing your new site.

Some information is on the Amanita Studies site at
By: R. E. Tulloss (ret)
2010-04-18 23:02:26 BST (+0100)


The provisional name “cremeosorora” was not in the NJ Pine Barrens checklist so search couldn’t find it. INow the name is in the entry for taxon number 48 in the NJ Pine Barrens Amanita list. I wasn’t planning to continue maintenance of the old site, but I thought it was worth while to add the provisional name to the checklist so searches will find it until we get the new site ready for release.

I’m sorry you weren’t able to find the information easily. This will change with the new site.

Very best,


It was white…
By: Hamilton (ham)
2010-04-18 07:39:19 BST (+0100)

…though it appears cream colored in the photos. No cross-sectioning was done. Laziness on my part. It had some pinkish bruising on the stem from handling if I remember correctly. As for what section it’s in, you’d know better than me.

I do see these guys on the way to my chanterelle patch each year so I’ll try and collect some of these in a bit. In addition to the fore mentioned trees, the area has a lot of limestone and the ground is pretty hard and packed there.

I checked out Amanita cremeosorora on your site but didn’t see the low down on the species, just the name.

Some questions…
By: R. E. Tulloss (ret)
2010-04-18 06:41:53 BST (+0100)

I don’t think that section Vaginatae is completely out of the question. Can you tell us more about the color of the fruiting body when it was fresh? Was it more of white or cream color than appears in the photos? Do you happen to have a photograph of a longitudinal cross-section?

I would think that Pennsylvania would share a lot of amanitas with the non-coastal part of New Jersey. We have at least one cream-colored amanita that shares a lot of the characteristics of the group to which people in the US apply the name Amanita ceciliae. I have given the provisional name “Amanita cremeosorora” (“creamy sister”) to this possible species. I’m pretty sure that the species is included in the New Jersey amanita checklist on the Amanita Studies site.


Created: 2010-04-16 07:10:06 BST (+0100)
Last modified: 2011-04-01 18:43:51 BST (+0100)
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