Observation 195428: Basidiomycota R.T. Moore

Another one of my “underground mysteries” that I managed to find. I cut this first before I photographed it thinking it was something else. So in placing it together I dropped the right hand section(half) in the wet soil and this has caused the discolouration that is shown. Not sure what this is, "Tube or Fungi.??

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Another specimen new to me, Ian.
By: Daniel B. Wheeler (Tuberale)
2015-01-03 13:30:41 CST (-0500)

I suspect it will be new to many. The pseudostipe separates it from Tubers; the layers of the peridium from most hypogeous fungi. It appears solid, not loculate, which separates it from almost all the basidiomycotina possible in Australia.

Superficially it resembles Leucogaster rubescens. It seems to stain red, has a peridium. But in Leucogaster r. the peridium is the part that stains red, not the gleba. There could be some latex present, if you find this again. Sometimes the latex in detectable only by placing a finger on the cut surface, and noting if the finger “sticks” to the surface.

Leucogaster has no pseudostipe, meaning this isn’t Leucogaster. The pseudostipe is well developed. The peridium has at least 2 distinct layers: one that dries and forms patches on the outside, the other thicker layer on the inside (of the outside).

The only thing similar (in U.S.) is some of the Sclerodermas.