Observation 136793: Amanita inodora (Murrill) Bas
When: 2013-06-10

Notes: Growing in the Big Sandy Creek Unit.
Caps up to 4.5 cm across and stems up to 5.7 cm long and 1.1 cm wide.
Did not detect a strong odor.
Spore print white and spores amyloid.
Spores ~ 10.0-14.1 X 4.0-5.1 microns, cylindric to bacciliform.
Did not measure a lot of spores but there did appear to be quite a range of lengths. Q values of what I did check were from 2.04 to 3.35.
A. rhoadsii seems somewhat close but these are smaller and stem is less rooting.
Edit 2-22-2014;
After rereading the descriptions of Rod’s suggestions, I think A. inodora fits pretty well. The white colors, the appendiculate cap, the felty coating on the cap, the relatively short stem, the marginate bulb plus the cylindric to bacciliform spores seem to make it very “Promising”.

Proposed Names

61% (2)
Eye3 Eyes3
Used references: Amanitaceae.org website

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

Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Thank you, Ron.
By: R. E. Tulloss (ret)
2014-02-23 11:53:17 EST (-0500)

Yes, your guess about the lack of odor and the name of the species is correct.

Murrill originally named the mushroom Venenarius roanokensis f. inodorus Murrill. In his thesis, Bas recombined the name at species rank—-A. inodora (Murrill) Bas.

Very best,


Thanks Rod….and yes, and I will
By: Ron Pastorino (Ronpast)
2014-02-23 10:01:01 EST (-0500)

package them up for you soon.
By the way, the lack of odor was actually a positive for the ID, which is why, I presume, the taxon got it’s name(?).

I think your recently posted expansion of your description sounds well-thought out.
By: R. E. Tulloss (ret)
2014-02-22 23:45:40 EST (-0500)

Do you still have the dried material?

Very best,


Murrill’s protolog for cylindrisporiformis is very sparse…
By: R. E. Tulloss (ret)
2013-06-18 17:01:25 EDT (-0400)

as his protologs were. I have added the information in it to the techtab of the WAO page for that species.


Thanks Rod, there’s at least a couple
By: Ron Pastorino (Ronpast)
2013-06-18 16:59:38 EDT (-0400)

of good possibilities from your list.
Although my sense of smell is poor, I didn’t detect any real odor from these.
My highest probability then goes to Amanita inodora, which seems to fit fairly well in most aspects.

Here’s a list of possibilities:
By: R. E. Tulloss (ret)
2013-06-18 16:16:23 EDT (-0400)

Amanita alliacea, A. inodora, A. praelongispora, A. roanokensis, A. cylindrisporiformis, Bas’ collection that he called A. inodora with an odor, or something unknown/unnamed.

Very best,


Now I see the dimensions.
By: R. E. Tulloss (ret)
2013-06-18 15:54:37 EDT (-0400)

The spores elimiate A. parva.

Still looking….


Holy mackerel, Ron.
By: R. E. Tulloss (ret)
2013-06-18 15:46:29 EDT (-0400)

That narrow a spore from a specimen with a fragilely marginate bulb is pretty much suggestive of Amanita subsect. Limbatulae. Can you give me a notion of the size of the fruiting body? This looks like something that I don’t see very much. It might not even be on the Texas list.

Very best,


Created: 2013-06-18 13:13:19 EDT (-0400)
Last modified: 2014-02-23 11:55:43 EST (-0500)
Viewed: 113 times, last viewed: 2016-10-26 17:30:01 EDT (-0400)
Show Log