Please do not re-click a link while waiting for a page to load. (It’s slower and degrades site speed for all users.)
To get images for machine learning, see MO Images for Machine Learning


in soil and leaf litter under Quercus grisea. Width of cap: 38mm, overall height: 95mm, width of stipe just below cap: 10mm. Some rusty coloration on the UV.

Species Lists


Proposed Names

82% (1)
Based on chemical features: recognized by nrITS sequence.

Please login to propose your own names and vote on existing names.

= Observer’s choice
= Current consensus


Add Comment
We got DNA from this material and….
By: R. E. Tulloss (ret)
2015-01-29 13:37:50 CST (-0600)

it is another collection of A. pahasapaensis.


We have received DNA data on this material.
By: R. E. Tulloss (ret)
2014-11-12 13:58:53 CST (-0600)

Thank you for sending the material, Bob. We’ll keep you advised on what we are learning.

Very best,


Thanks Bob,
By: groundhog
2013-11-26 14:28:53 CST (-0600)

This material has been recieved and accessioned into Rod’s herbarium. Rod plans to do a further workup on this guy.

With oak and without aspen or poplar or cottonwood?
By: R. E. Tulloss (ret)
2013-08-25 10:04:34 CDT (-0500)

Without aspen, poplar, or cottonwood this can’t be A. populiphila (which would probably have orangish stains on the fruiting body somwhere. As always, I’d be very interested to see this.

Very best,