Observation 102713: Suillus spraguei (Berk. & Curtis) Kuntze
When: 2012-07-24
No herbarium specimen
0 Sequences

Growing from fairly well decomposed wood. The one photo shows the connection to substrate. I have found plenty of S. pictus in this same area, and in the past I have seen this species fruiting from wood… apparently because the mycelium crawls up from the ground. Young specimens of S. pictus have context that generally bruises more dramatically (reddish). The last photo seen here shows specimen about 50 minutes after it was sliced… some red staining.

No larch or Douglas Fir in the vicinity… Plenty of hemlock and White Pine is not far away.

KOH turned context in stipe jet black. KOH blackish on cap and on pores.

Proposed Names

29% (1)
Eye3 Eyes3
Recognized by sight
Based on microscopic features: Spores 8-12 × 3.5-4.5.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2012-07-25 08:31:11 PDT (-0700)
Last modified: 2012-07-26 07:24:51 PDT (-0700)
Viewed: 15 times, last viewed: 2017-06-13 07:08:12 PDT (-0700)
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