Observation 29690: Russula Pers.

When: 2009-12-06

Collection location: San Pablo Reservoir, Contra Costa Co., California, USA [Click for map]

Who: Richard Sullivan (enchplant)

No specimen available

Growing under Pinus radiata. Near Amanita amerimuscaria.


Spores at 1000x, pleurocystidia? or basidioles
This is the pileipellis at 100x
pilepellis at 400x Pileocystidia?
spores at 1000×. Not very high ridges or warts 7-8µm

Proposed Names

44% (2)
Recognized by sight: Small. Cap <4 cms. Dark purple pileus. Stipe washed vinaceous purple. pileus difficult to peel back (maybe .5cm)
Based on microscopic features: spores subglobose, amyloid, not very ridged/warted.
Based on chemical features: taste peppery
3% (3)
Recognized by sight: Spore print is pretty much white. According to Phillips it is supposed to be creamy -yellow.
Used references: Used Phillips: Mushrooms of North America p116.

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= Observer’s choice
= Current consensus


Add Comment
how did you make this ID?
By: Debbie Viess (amanitarita)
2009-12-07 11:56:38 CST (-0600)