Observation 67481: Clitopilus hobsonii (Berk. & Broome) P.D. Orton

C. hobsonii seems like the closest fit. The small size, lack of a stipe, fuzzy pileus, spore size and apparent lack of cheilocystidia all fit. But looking it up in your Netherlands book, Noordeloos says the spores are “rather distinctly ribbed”, but I have to say that the only way I saw it was in polar view. It was on fir wood that looked like it had been decayed by Heterobasidion (distinctly laminar white rot). The area that it was collected in had only recently become free of snow and piles of snow were nearby. The collector was Nhu Nguyen.

Species Lists


The spore in polar view shows the angular nature. I never could see striations in face or profile.

Proposed Names

83% (1)
Eye3 Eyes3
Used references: Noordeloos’ key in the Netherlands Flora, and MO observation by Doug Smith
Based on microscopic features: Spores that are angular in polar view, lack of cheilocystidia, lack of clamps,
spores are 7.0-8.6 × 4.5-4.7, Basidia are 21.6-30 X 7.8 (2 measured)

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2011-05-16 16:40:19 PDT (-0700)
Last modified: 2011-05-16 16:43:15 PDT (-0700)
Viewed: 140 times, last viewed: 2018-02-18 10:49:38 PST (-0800)
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