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Dung roundhead

Protostropharia semiglobata

Photo by Mark Ridgway
Published on Project Noah
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Field Notes

Description:

This strange little mushroom was about 90mm tall with a cap only about 12mm wide. The stem was very straight and narrow with an unusual undulated annulus, sticky but firmly attached. There seemed to be some black within the gills but white material seems to have settled on the ring. Cap was very viscid and almost spherical.

Habitat:

Growing on a grassy and rocky path in a national park.

Notes:

Thanks again MiesMeister. This is also called Stropharia semiglobata but was named Protostropharia semiglobata - (Batsch) Redhead, Moncalvo & Vilgays (2013). <br>
Division: Basidiomycota <br>
Class: Agaricomycetes <br>
Order: Agaricales <br>
Family: Strophariaceae <br>
Genus: Protostropharia <br>
The unusual undulated annulus is the best bit :) <br>
http://bie.ala.org.au/species/4a6a82f9-1ed1-49a8-9307-fb8eb4197ef5#

Reference Links:

Dung Roundhead (Stropharia semiglobata) - Information on Dung Roundhead, Protostropharia semiglobata, Fungi Species Record

Species ID Suggestions

Comments (5)
Mark Ridgway
Sorry roni2 I just saw your comment... as it says in the notes above it was 90mm tall and 12mm wide.
Mark Ridgway
Wow,, very impressive MM. I think that's it. Still seems to be Stropharia here too. Interesting that there was no dung nearby for this, and definitely no cattle in the national park, so I guess I will have to thank the wombats or kangaroos. Thanks for finding this name.
MichelBeeckman
First of all, that is a fine looking fungus, Mark! Secondly, to me it looks very much like a Stropharia species and if I know my mushrooms, this could be Stropharia semiglobata. Semiglobata meaning as much as "half round", referring to the shape of the cap. I've seen some sites calling it Protostropharia semiglobata, but I'm not sure why and if it still is the used name (at least in the Dutch Standard List of 2013 it's still called Stropharia). Down below a page from Australia on the mushroom. The annulus is brown in the picture, because of the dark mature spores. If you check other photos across the internet, you'll notice the annulus is the same colour as your spotting on younger specimen. It could very well be another species which looks alike a lot, for I don't know Australian fungi, though! http://www.eukalypt.org/fungi_tertiary_pages/Stropharia_semiglobata/stropharia_semiglobata.htm
Jae
Nice find, Mark.
LilBunny
It looks like it has a mustache :)

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PublishedMay 22, 2014

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