Observation 174049: Russula ballouii Peck

When: 2014-08-10

Collection location: Brunswick, Maine, USA [Click for map]

Who: Terri Clements/Donna Fulton (pinonbistro)

No specimen available

On disturbed ground under pine—some birch nearby. Brittle gills. Yellowing stem base. Mild odor and taste.



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Thanks so much for your help, Brian
By: Terri Clements/Donna Fulton (pinonbistro)
2014-08-15 12:52:32 -05 (-0500)

Unfortunately we were about ready to leave when we noticed this and didn’t get a chance to do much with it. I have 5% KOH which I will use from now on with Russulas. Mine is about a year old, do you think it is still effective?


It’s a Russula!
By: Brian Looney (GibbiPicasso)
2014-08-15 12:30:53 -05 (-0500)

But it is a weird one at that. The cracking on the cap is caused by weathering, but it only happens with certain species. The base of the stipe has velar remnants, which would suggest placement in subsection Subvelatae. You can test for this by applying KOH to the cap and base of the stipe. There should be a red positive reaction. Two members of this group that this seems close to are R. pulverulenta and R. ballouii, though I don’t believe it matches either. There is a member a close group, subsection Fistulosinae, that has not been widely identified since it was described called R. burlinghamiae, which could be this. The cracking of the cuticle, however, is not described for any of these species.

Any ideas on this would be appreciated
By: Terri Clements/Donna Fulton (pinonbistro)
2014-08-15 09:00:31 -05 (-0500)

Created: 2014-08-14 20:46:11 -05 (-0500)
Last modified: 2014-08-15 14:42:19 -05 (-0500)
Viewed: 47 times, last viewed: 2018-04-23 01:25:03 -05 (-0500)
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