Observation 81104: Russula cerolens Shaffer

When: 2011-10-11

Collection location: University of California Berkeley (UC Berkeley), Berkeley, California, USA [Click for map]

37.871694°N 122.252893°E

Who: Diane Wu (seagills)

No specimen available

I cannot seem to figure out the exact species for this mushroom!
I would appreciate any help with getting my mushroom down to species.

Here are my observations:
1. Color: bright white, with some tan coloration at the center of the cap, on the cuticle.
2. Bruising: No color change
3. Brittle, crispy flesh
4. Cap with a thin layer of cuticle
5. Mild taste
6. Striate margin
7. Cap forms a funnel/planar shape, was not symmetrical
8. Medium size with a short, thick stalk
9. Found alone
10. On lawn, found the morning after a few rainy days.
11. Gills are free, with a large notch.
12. Gills are of varying sizes, and the length of a cross-section through the gill is about 5 mm or so.

“Mushrooms Demystified” led me to Russula brevipes.

However, the mild taste and striate margin (only striate for the outer 1-2 mm) are causing me to doubt whether my mushroom does belong here.


Spores, Stained in Melzer’s

Proposed Names

-55% (2)
Used references: Russula short key – Mike Davis Lab, Mushrooms Demystified – David Arora
49% (1)
Recognized by sight: I think I can make out the brown pileus. This one is not uncommon on campus.

Please login to propose your own names and vote on existing names.

= Observer’s choice
= Current consensus


Add Comment
No one has commented yet.

Created: 2011-10-31 03:38:33 CDT (-0400)
Last modified: 2013-07-22 16:07:04 CDT (-0400)
Viewed: 29 times, last viewed: 2019-02-18 00:53:24 CST (-0500)
Show Log