Grow near termite hill, under oak, pine and mix trees, growing in group. People here they eat, called het khai khao


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Recognized by sight
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That sounds promising, Vihane.
By: R. E. Tulloss (ret)
2017-05-17 03:03:59 AEST (+1000)

Be sure to separate specimens by a very critical look at central part of the cap.

Very best,


By: Vihane (wihane)
2017-05-16 23:29:57 AEST (+1000)

I can send that specimen with Ole when he come with me in the coming Jun, 2017 we will go along again.

I think the center of the cap is too yellow for princeps. EDITED EDITED
By: R. E. Tulloss (ret)
2017-05-15 06:14:52 AEST (+1000)

The cap color of princeps is browner over the disc.

The same color also appears to separate the present species from Amanita sp-Thai01 and Amanita sp-Thai03.

In sequenceing material from Cambodia, Laos, and Thailand, Sanchez-Ramirez et al. (2014) found multiple taxa that were largely white, but had brownish or other non-white centers to the caps. I think you material may fall into this grouping. The size of the grouping is unknown. If you have well-dried material of this species, we could try sequencing this for you.

Very best,


By: Vihane (wihane)
2017-05-15 02:06:40 AEST (+1000)

I have only young specimen of this mushroom the last photo of this observation, not sure it work out or not?

This is indeed a species of section Caesareae.
By: R. E. Tulloss (ret)
2017-05-13 00:29:11 AEST (+1000)

Recent work on this section shows that there are multiple taxa in southeast Asia that have a yellowish to brownish center on a white cap as you depict. So far, the progress has involved collecting DNA sequences from such material. If you can send me a part of your material (a portion of a mature fruiting body and a portion of a younger fruiting body), we can try for DNA and report back to you.

Very best,

Rod Tulloss

Created: 2017-05-12 18:04:22 AEST (+1000)
Last modified: 2017-05-15 06:16:02 AEST (+1000)
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