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The voucher material for this observation has been accessioned in our herbarium.
By: R. E. Tulloss (ret)
2018-07-15 13:19:26 PDT (-0700)

Thank you very much for sending this collection in your recent shipment.

Very best,


RET comments
By: Ryan Patrick (donjonson420)
2018-07-06 17:36:19 PDT (-0700)

“Using my in-house database, I am able to get a 100% match for MO279742. It is
Amanita solaniolens. In this case you need to trim the sequence so that it
doesn’t include an overlap with the ITS1F binding site. This is explained in the
posted document. The motifs showing the divisions of an SSU fragment, the three
parts of ITS are present. However the second character of the LSU 5’ motif is
missing; therefore you can only include the first character of that motif in
your sequence. I looked at the raw data file and there is no indication of the
second “T” of “TTGACCTCAAATCA.” So you should only leave the single “T” at the
end of your sequence."

Not yet…at least.
By: R. E. Tulloss (ret)
2017-06-24 09:56:58 PDT (-0700)


That’s very interesting, Rod…
By: Dave W (Dave W)
2017-06-24 09:38:20 PDT (-0700)

given the large geographic range and variable morphology. I would have guessed this type would turn out to represent a species complex.

Yup… the yellow pv had me wondering the first few times I saw this feature.

The cap pigmentation varies, and sometimes you find one with a yellow partial veil.
By: R. E. Tulloss (ret)
2017-06-24 09:22:45 PDT (-0700)

The range seems to extend at least to Costa Rica and probably into Colombian oak forest in the Andes. The “proposed fungal barcode” gene works to tie all the populations together…at least as far as we know.

Very best,


I see lots of these…
By: Dave W (Dave W)
2017-06-24 09:13:54 PDT (-0700)

and for quite awhile I found the variable basal structures perplexing. Slender forms of A. submaculata may also be confused with solaniolens. Looks kinda like a miniature brunnescens… except the volva is not always the same. Spreta, like all species placed in section Caesareae, has true striations along the cap margin, albeit they are short in this species. Solaniolens has cap surface with innate streaks.

Good call Dave
By: Ryan Patrick (donjonson420)
2017-06-24 08:59:58 PDT (-0700)

I struggled with this one as the bulb appeared to be saccate. In hindsight a cross section would’ve cleared it up. Ill check the micro to be sure but looks on point. As always I appreciate your input.

Thanks Rod! Looks like the seasons in full swing!

Nice photos.
By: R. E. Tulloss (ret)
2017-06-24 04:56:08 PDT (-0700)

They document, the mushroom, the site, and the leaves of the forest.

Very best,


Created: 2017-06-23 18:09:47 PDT (-0700)
Last modified: 2018-09-19 07:10:29 PDT (-0700)
Viewed: 219 times, last viewed: 2019-10-06 08:17:20 PDT (-0700)
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