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Alternative Names:
Agaricus litoralis (Wakef. & A. Pearson) Pilát, Agaricus littoralis (Wakef. & A. Pearson) Pilát
When: 2008-05-04
Collection location:
Barton Flats, San Bernardino Co., California, USA [Click for map]
Who:
Nathan Wilson (nathan)
Herbarium specimen available
Notes: Unusual specimens. Originally I thought they were from the Xanthodermati group due to the yellow stain on the base of the stipe and the unpleasant odor. Unfortunately, I’m recovering from a cold so my sense of smell may be off. I think I’m getting a faint version of the typical phenolic smell and another person on the trip who is familiar with the smell confirmed it. It certainly isn’t sweet.
The staining is The pileus first stained distinctly reddish (see third image), whereas the stipe went orangish yellow at first (see fourth image), then became more reddish and finally turned brown. However, I just cut open the freshest specimen I have and it is now only staining red.
So let’s assume it’s a red stainer. It’s pretty robust for a red stainer. It’s not A. bernardii (no pinched base and the veil is more pendant than peronate). It seems too small and not colorful enough for either A. pattersonae or A. lilaceps, but I don’t really have clear species concepts for those. Anyone have any ideas?
Comments: Add Comment
Created: 2008-05-05 07:41:48
By: Nathan Wilson (nathan)
Summary: Agaricus spissicaulis seems likely
MykoWeb mentions A. spissicaulis as occuring in California. I also just noticed the description in Agaricales. For some reason I only saw the group last night. I noticed that both Debbie’s Roger’s Mushrooms link and Index Fungorum say the name is deprecated in favor of A. littoralis (or Agaricus litoralis for the more literal minded… – looks like another r[h]ac[h]odes in the making).
Created: 2008-05-05 07:23:40
By: debbie viess (amanitarita)
Summary: spissicaulis?
Not familiar with this species, but did a bit of online research. The reddening fits, general stature and veil, also the “off-smell” with age (not necessarily phenolic, but perhaps phenol is a catch-all description for “bad smells in
Agaricus?). Here’s a nice description on Rogersmushrooms
Observation created: Sun May 04 21:52:05 -0700 2008
Last modified: Sun May 04 22:15:18 -0700 2008
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