Observation 144215: Agaricus campestris L.

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By: Daniel B. Wheeler (Tuberale)
2013-08-31 15:29:08 CDT (-0400)

Guess I better start collecting voucher collections.

By: Alan Rockefeller (Alan Rockefeller)
2013-08-31 14:49:56 CDT (-0400)

You have something undescribed.

No whoop-ti-do.
By: Daniel B. Wheeler (Tuberale)
2013-08-31 13:02:05 CDT (-0400)

Just searched on-line for “Agaricus andrewii in Oregon”.

Question, Alan. If A. campestris in the strict sense does not occur in North America, are these collections species novum?

A. campestris sensu stricto
By: Alan Rockefeller (Alan Rockefeller)
2013-08-31 05:07:37 CDT (-0400)

does not occur in North America. Rick Kerrigan will have a new name in 2 – 45 years.

By: Byrain
2013-08-31 01:59:27 CDT (-0400)

Mentions Agaricus solidipes has been collected in CA in this old document so I wouldn’t be surprised if that species concept also occurs in Oregon. And where are you finding this information? Do you have any handy links available and is there corresponding data for these collections demonstrating what they are?

A. andrewii
By: Daniel B. Wheeler (Tuberale)
2013-08-31 00:54:28 CDT (-0400)

has not been reported from Oregon that I can find. The base of the stipe is often pointed. There is no or little odor to it. Most collections of A. andrewii are from the East Coast south to North Carolina.

A. solidipes is similar.

OTOH, we have many collections of A. campestris.

Is this scientific? No. Is it suggestive? Yes. And until better information is readily available, I think I have to go with A. campestris.

By: Byrain
2013-08-30 21:38:07 CDT (-0400)

Then how are you ruling out Agaricus andrewii or A. solidipes? I would love to know how too! :)

Yes, I do.
By: Daniel B. Wheeler (Tuberale)
2013-08-30 21:33:48 CDT (-0400)

But thanks for the link as well. These specimens had the veil.

You do realize
By: Byrain
2013-08-30 20:03:09 CDT (-0400)

A. campestris is not the only described species with an evanescent veil? Check out what Kuo says at the end of his meadow mushroom page. http://www.mushroomexpert.com/agaricus_campestris.html

Created: 2013-08-30 14:48:06 CDT (-0400)
Last modified: 2016-11-22 09:02:28 CST (-0500)
Viewed: 79 times, last viewed: 2017-06-16 12:37:47 CDT (-0400)
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