When: 2018-08-28
Collection location: Cottonwood, Arizona, USA [Click for map]
Who: Terri Clements/Donna Fulton (pinonbistro)
Notes:
Cap up to 6 cm is white and smooth at first with a yellow brown disc. Gills are white at first then pink then brown. Superior veil is fragile. Stem context is hollowing. Other characteristics can be seen in the photos. Mild odor. Gregarious under native mesquite at about 3400’.
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| User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
| Vote | Score | Weight | Users | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I’d Call It That | 3.0 | 0.00 | 0 | ||||||
| Promising | 2.0 | 0.00 | 0 | ||||||
| Could Be | 1.0 | 0.00 | 0 | ||||||
| Doubtful | -1.0 | 0.00 | 0 | ||||||
| Not Likely | -2.0 | 6.07 | 1 | ||||||
| As If! | -3.0 | 0.00 | 0 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
-1.72 | -57.23% | |||||||
| User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
| Vote | Score | Weight | Users | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I’d Call It That | 3.0 | 6.07 | 1 | ||||||
| Promising | 2.0 | 0.00 | 0 | ||||||
| Could Be | 1.0 | 0.00 | 0 | ||||||
| Doubtful | -1.0 | 5.13 | 1 | (IGSafonov) | |||||
| Not Likely | -2.0 | 0.00 | 0 | ||||||
| As If! | -3.0 | 0.00 | 0 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
1.07 | 35.72% | |||||||
| User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
| Vote | Score | Weight | Users | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I’d Call It That | 3.0 | 0.00 | 0 | ||||||
| Promising | 2.0 | 0.00 | 0 | ||||||
| Could Be | 1.0 | 5.13 | 1 | (IGSafonov) | |||||
| Doubtful | -1.0 | 0.00 | 0 | ||||||
| Not Likely | -2.0 | 0.00 | 0 | ||||||
| As If! | -3.0 | 0.00 | 0 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
0.84 | 27.89% | |||||||
Comments
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Just confirmed with Chris May who made it. It is half aniline and half glacial acetic acid.
Is the analine in the presence of an acid? Strong acetic acid will do; I call this the A+A reaction/test. Analine alone doesn’t do much on Agaricus.
Minores species often give a good scarlet reaction, but orange is plausible for A+A.
The 3 caribaeus accessions are 100% identical with respect to each other. Your critter is 7 characters off, of which one is an ambiguity. Of the remaining ones, four are C-T mismatches, and perhaps one can make a feeble argument – in defense of potential conspecificity – that some of these could be written off as potential fully polymorphic sites (i.e., there could be caribaeus collections out there that have a “Y” at these positions). Still overall it feels like a bit of a stretch… What about the difference in cap surface pigmentation seen in https://www.flickriver.com/... and https://www.neotropicalfungi.com/...?