Observation 194511: Agaricales sensu lato
When: 2014-12-19

Notes: This magnificent all white fungi with pink gills was only showing just above the forest floor litter. When removed from its habitat it was amazing to see the length of the stipe. I checked the surrounding area and only found one more alike. One specimen was more mature than the other. I moved them from the leafy area to a cleared spot for photographing. The area borders on a semi rain forest and Eucalyptus forest. There was no discernible aroma or bruising when handled. Both specimens were retrieved from there habitat without any resistance. There is a good example of the partial veil in the cap of the smaller fungi. The gills were crowded. (Agaric ?)

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Recognized by sight
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Recognized by sight: See comment.

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I think you should not consider there is a fixed time for drying.
By: R. E. Tulloss (ret)
2015-03-12 08:13:51 CDT (-0500)

There should be nothing flexible about a dried specimen. In order to reduce drying time, I suggest that, except for small specimens that you cut your material (top to bottom) in half or in quarters. For very thick caps, I’d suggest separating the stem from the cap and cutting the cap in sixths or eighths (like slices of pie), while dividing the stem in halves or quarters as previously described.

Utter dryness is absolutely necessary. Moisture in a specimen will lead to either complete decay or sever attack by molds. Many molds will concentrate on spores and the apices of basidia and preferentially devour just those parts, which (of course) are critical for identification of species by humans who stare at mushroom specimens instead of devouring them.

I’d raise your drying temperature to about 42C and carry out the drying in as dry a place as you can find (for example a room with airconditioning).

In drying material for later study you battle two things: keeping the heat from being to high and getting the water out of the mushroom as completely and quickly as possible. Heat and water can destroy DNA. Slow drying can destroy cell structure which is important to microscopic identification.

I hope these suggestions will be useful to you.

Very best,


Drying Procedure.

Rod, What are the recommended times and temperature for drying specimens. It has been a bit of a “hit and see” for me. Usually I allow medium sized fungy ,(about five to a round tray), about 6 hours at 37 degrees. Some caps are still soft and pliable after drying. Should this be acceptable. I do not really have any guide lines as far as drying specimens. Maybe this is causing some problems??.

Hello, Ian.
By: R. E. Tulloss (ret)
2015-03-11 06:15:11 CDT (-0500)

I tried to work up this material yesterday.

I can tell you that there is no limbate volva at the base of the stem. There is a naked bulb. Unfortunately, the material seems to have suffered in the preservation process. we couldn’t make too much headway with a quick first look.

Very best,


Fungi Collection.

I must admit Dave could have something with his suggestion. The fungi was only showing Cap and part of stipe. When I loosed the soft soil around the fungi it was easily removed without any pressure at all. The fact that the volva may have been left insitu is a possibility. I am always careful when removing fungi, but this one was so easy I didn’t think about digging for a released volva. The fact that the stipe was so long and what appeared to be the whole fungi was easily recovered put me off in digging the location for any other part of the specimen.

Looks like a Destroying Angel.
By: Dave W (Dave W)
2015-03-10 17:48:33 CDT (-0500)

Although the lack of basal volval structure seems to point away from Phalloideae. But Ian’s notes indicate this specimen was observed with stipe base well buried. In this case, perhaps the volva was lost in excavation…?


Thankyou for the update comments and Rods. Preparing package for mailing today. Will email when in the Post.
Kind Regards to all.

This material was received and Rod examined it…
By: groundhog
2015-03-10 14:20:26 CDT (-0500)

under the microscope but was unable to come to any conclusions because of the specimens condition (it unfortunately appeared to have decayed before drying).

Created: 2014-12-23 02:26:12 CST (-0600)
Last modified: 2015-03-11 06:55:21 CDT (-0500)
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