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Observation 12437: Russula Pers.

When: 2008-10-12

Collection location: Larch Mountain, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Notes:
Collected from a predominantly Western hemlock forest. Found several of these rather large and distinctively colored Russulas, but having difficulty keying them out. Cap is 4 inches in diameter, inrolled, grayish-brown, striate at margin; Stipe is white, and 5-6 inches long; gills are white.

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86% (1)
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Color close to R. olivacea
By: Daniel B. Wheeler (Tuberale)
2008-10-14 08:56:53 CEST (+0200)

… as displayed at Oct. 12, 2008 OMS Fall Mushroom Show.

Had considered R. cyanoxantha
By: Daniel B. Wheeler (Tuberale)
2008-10-14 04:40:35 CEST (+0200)

I had considered it (along with other Russulas). I rejected it (perhaps too soon!) because of the rather uniform olive-drab coloration without much color variation nor with much forking of the gills, which Aurora seems to think important. I honestly can’t say. It is similar to an olive-drab Russula exhibited at the OMS Show yesterday, but seems to me larger than those. That shouldn’t exclude it, but it is not an exact match, either.

R. cyanoxantha
By: Darvin DeShazer (darv)
2008-10-13 04:57:46 CEST (+0200)

Did you consider/eliminate Russula cyanoxantha?