Observation 108452: Podaxis pistillaris (L.) Fries
When: 2012-09-03
No herbarium specimen

Notes: Several of these poppped up in my neighborhood following a monsoon rainstorm. I cannot find similar specimens online. Can anyone identify?

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you are correct
By: Erik nelson (eriknelson)
2012-09-03 21:55:33 PDT (-0700)

THis is definitely P. pistillaris. Very common. You’ll find plenty of examples online using this name in a websearch.

I strongly encourage
By: Christian (Christian Schwarz)
2012-09-03 20:32:23 PDT (-0700)

nocturnal, clandestine fungus-swiping.
Dissect it brazenly.

As for the papery covering, it looks like the main pressure for fungi to become sequestrate is hot, dry temperatures and/or temp swings. So in the case of some of these mountain species and desert species, they often protect their valuable fertile surfaces with expendable outer coverings (in this case papery).

Thanks Christian!
By: Cindy (lunadia)
2012-09-03 20:13:47 PDT (-0700)

That’s interesting! Unfortunately, none of the specimens is in my own yard; I felt slightly brazen just taking snapshots. Maybe I’ll swipe one after dark and dissect it. Do you suppose there’s a natural purpose for the papery cover?

Slice them in half
By: Christian (Christian Schwarz)
2012-09-03 13:56:57 PDT (-0700)

the inside should look dark if they are mature enough. The papery outside can stay white for quite awhile

Not brown
By: Cindy (lunadia)
2012-09-03 13:25:06 PDT (-0700)

Thanks, Christian. You may be right; but the mushrooms have been around now for almost a week, and they’re still white…

Created: 2012-09-03 11:54:24 PDT (-0700)
Last modified: 2012-09-03 13:26:31 PDT (-0700)
Viewed: 133 times, last viewed: 2016-11-11 20:12:27 PST (-0800)
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