Observation 91117: Pleurotus ostreatus group
When: 2012-03-24
No herbarium specimen

Proposed Names

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By: Sava Krstic (sava)
2012-03-29 00:42:54 PDT (-0700)

Thanks, glad that you like the photo. But, in fact, this was growing high up and I wasn’t seeing well what I was doing.

By: Martin Livezey (MLivezey)
2012-03-28 04:18:57 PDT (-0700)

I want to echo Dan’s comments. The top photo really catches the eye. Maybe it is old, but maybe the reflected light from the water filled the image with uniform illumination letting the camera do what it is supposed to do: capture crisp detail. The oyster really seems to float on a silver screen. Nice job!

reminds me
By: Danny Newman (myxomop)
2012-03-28 00:46:30 PDT (-0700)

of the enormous Pleurotus colony we found on fallen cottonwood a year ago in the same place. seems like a safe bet.

By: Irene Andersson (irenea)
2012-03-28 00:31:11 PDT (-0700)

I didn’t see the second picture when I suggested Hypsizygus. Now I see that you were right from the beginning. With that gill attachment, it’s a Pleurotus, no doubt. On cottonwood and strongly yellowing, I’d guess Pleurotus populinus.
Now I see that MycoBank says that the name populinus is invalid – but there’s no other name for it..

By: Sava Krstic (sava)
2012-03-28 00:16:49 PDT (-0700)

Thanks! The colors are what the camera produced and from what I remember are not far from what it really looked like. (I set the camera to take the measurements on the spot it focuses on.) It’s probably just that the mushrooms were old.

By: Sava Krstic (sava)
2012-03-28 00:10:10 PDT (-0700)

Thanks for the ID. I didn’t pay enough attention. The mushrooms were growing on cottonwood and were very maggoty.

Was it whiter in person?
By: Dan Molter (shroomydan)
2012-03-28 00:09:03 PDT (-0700)

Hi Sava,

Great detail in this photo!

I can’t help but think the mushroom looked whiter, but that dialing in a whitish mushroom would have washed out the sky. Was there something like that going on with the photo, or did the mushroom really appear that dark to your eye? It seems not quite white enough for Hypsizygus ulmarius, but otherwise seems to be a match.

Created: 2012-03-27 23:34:06 PDT (-0700)
Last modified: 2012-03-28 00:56:11 PDT (-0700)
Viewed: 94 times, last viewed: 2016-10-27 01:12:08 PDT (-0700)
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