Observation 142588: Amanita sect. Vaginatae sensu Zhu L. Yang

Found growing under Red Oak

Growing in pairs Cap tan brown with several white patches. becoming depressed at the center with a very small hardly noticeable umble. cap folded inward.
Gills white close not attached
Stem 12 cm ring absent with dust like particles that fall off easily, white. Base of stem forms a sac like volva
spore print white
spores rounded.

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Thanks Eddee
By: groundhog
2014-06-06 18:12:53 SAST (+0200)

This material has been received and accessioned to Rod’s herbarium.

Those sure do look like Amanita spores.
By: R. E. Tulloss (ret)
2013-08-15 04:00:14 SAST (+0200)

The thing that grabs me right away is that the spores are ellipsoid rather than the more globose spores that are more common in sect. Vaginatae. I will be very interested in the dry material. I’m glad you are able to send it so me. Thank you very much.

Very best,


By: Eddee (eddeeee)
2013-08-15 03:08:50 SAST (+0200)

That might be possible I used a scalpel blade that I had used before on other mushrooms and I normally do not do that I use new ones to scrape the spores off onto the slide. Also I had collected some blackening Russulas on the same day.
I went a head and took another scraping using an absolutely brand new slide and a new scalpel blade so this next pic should be pure Amanita spores.
Ok This Amanita is near the same area as This observation http://mushroomobserver.org/142495?q=1QgHF So I thought it might be the same but the spores are different. I went ahead and put this specimen in the dryer last night so yes I do have dried material and a spore print. I will send it to you. Thanks Eddee

It looks like there are spores of several taxa mixed in the microsphoto,
By: R. E. Tulloss (ret)
2013-08-14 17:04:57 SAST (+0200)

The spores with a raised network look like Russula spores. There are also spored with dots on them that are probably not Amanita spores. This would be an interesting slide to use for showing distinct spore decorations.

Do you have dried material of this observation?

Very best,


Created: 2013-08-14 04:10:49 SAST (+0200)
Last modified: 2018-01-04 22:08:04 SAST (+0200)
Viewed: 35 times, last viewed: 2018-01-04 22:11:21 SAST (+0200)
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