Observation 12038: Sclerodermataceae

When: 2008-10-05

Collection location: Southeast Portland, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

I have collected many species of Scleroderma. This is a new one on me, and I strongly suspect it is a species novum. Found at a local park, but not on the ground: on a sidewalk! Specimen is tiny, less than 1 inch across. Has a very deep and wide sterile base, which is rubbery at this time. The sterile base occupies the majority of this fungus’ biomass, with at least 2/3rds below the gleba. Peridium is dark sepia brown, no cracking, and thin for a Scleroderma: perhaps 1mm thick. Gleba is purplish with white veins, similar to Scleroderma cepa or S. laeve. I believe this may be a species novum, and will be sending it to Dr. James Trappe for consideration and identification (if he can). Other than the fact that this is the smallest (by far!) Scleroderma I have ever found above ground, and also has the thinnest peridium I have ever encountered, the appearance is Scleroderma like, and has a distinctive odor I associate with ripening Sclerodermas.


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