Observation 339703: Amanita pantherina group

Abundant flushes of Pantherinoid Amanita buttons here are most common in early June each season and persist throughout the early summer months. This Fall season has been unusually warm(low 70’s most days) and thus has promoted an interesting overlap with dual season fruiting of both Spring and Fall fungi throughout the greater Olympia, WA area. An example to further this were the huge flushes of Pleurotus pulmonarius that have been abundant over the last few weeks(and still persisting currently). I usually can expect to see one when the other is fruiting, e.g. when I see P. pulmonarius on alders and maples I know to look for Panther’s near my favorite Conifer dominant spots(especially Douglas fir).
I have dried a single fruiting body and stored in my home herbarium for further study and possible sequencing. I know RET is doing a ton of work with Amanita from all over N America and can certainly have a sample if he desires..

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By: Drew Henderson (Hendre17)
2019-01-17 11:15:20 AST (-0400)

Great to hear back about this collection! I’m interested to hear what “comes out in the wash” so to speak when things are finalized. The very young buttons of this panther variant were very unique and had traits I had not encountered previously(although there are always varying morphologies to most of our “panther’s and Gem’s” here in Washington it seems). Thanks again for keeping me posted and look forward to more soon :). Take care,



We have some basic DNA data back and are waiting for a bit more.
By: R. E. Tulloss (ret)
2019-01-17 00:45:08 AST (-0400)

So far this looks like a species that has not been previously posted in GenBank. It is also not something that I have sequenced previously. The closest matches are not very informative (muscarioid taxa are closest at a minimum genetic distance of 4.1%). So this species is probably not going to be one of the members of that group.

More when we know more.

Very best,


By: Drew Henderson (Hendre17)
2018-12-29 19:44:33 AST (-0400)

Definitely nothing shocking as these being Amanita sect. Amanita(based on field marks, cap warts, volva,etc.) but good to know that the material I sent is working out as valid(substantively). I am really excited and grateful to be a part of the process and am hoping all other vouchers I sent this season will be fruitful/helpful with furthering genetic mapping of Amanita from Washington state, as well. Thanks for keeping me updated and in the loop! Looking forward to the next correspondence,



We are beginning to see genetic data come in for this material.
By: R. E. Tulloss (ret)
2018-12-29 12:50:06 AST (-0400)

Not enough for detailed conclusions yet. More as we know more. General conclusion is that this is a species of section Amanita. Not startling.


By: Drew Henderson (Hendre17)
2018-11-28 18:56:03 AST (-0400)

That’s great news! Always glad to help and glad to get material from my area of Western Washington out to you for sequencing/vouchering. The work you have done and continue to do is staggering and I love to be of any help both now and in future seasons.

The voucher material for this observation has been accessioned in our herbarium.
By: R. E. Tulloss (ret)
2018-11-26 17:32:22 AST (-0400)

Thanks for the material. We are looking at pantherinoid amanitas from several places in the world at this moment. I am glad to have this material. We will schedule it for sampling.

Very best,


Created: 2018-10-18 12:37:15 ADT (-0300)
Last modified: 2019-01-17 11:15:20 AST (-0400)
Viewed: 77 times, last viewed: 2019-05-15 18:22:21 ADT (-0300)
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