Collection location: Sand Creek, Albany Co., Wyoming, USA [Click for map]
this mushroom i found along the road near sand creek on our cabin propertythey were just coming out of the ground and in big clumps they are white with scales on the cap but the cap hasnt opened kind of oval shaped and when the cap is cut open it has the veiny membranes like the one seen in the grocery stores If any one can help me on what this is and if its edible i would be very thankfull
[admin – Sat Aug 14 02:06:16 +0000 2010]: Changed location name from ‘south west of laramie in colorado on sand creek near bull mountain’ to ‘Sand Creek near Bull Mountain, Southwest of Laramie, Wyoming, Colorado, USA’
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|I’d Call It That||3.0||9.53||2||(nathan,Noah)|
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I’m about as confident as I could be from just photos that these are Coprinus comatus. The one distinctive feature I don’t see is the thread running down the length of inside of the stem. However, I expect if you had flipped over the other half of the cut one you photographed it would be there. In terms of edibility, I personally don’t care for this species, so I would pass them by. In your case, I would hold off and observe them this time around. The way that they digest themselves to release the spores is pretty interesting and will further confirm their identity. The nice thing about this species is you can expect them to continue fruiting in the same area for several years.
Looks like some nice grouping of Coprinus comatus. But you can’t really go on an id from a photo, certainly not enough to try and eat them. You should pick up a field guide and see what other mushrooms would look like Coprinus comatus, and try and find those also, until you can be certain you can tell the difference.
If you want to find out more about what they are, let them go and watch them. They should grow upward, and not open, but turn pinkish-grey at the bottom, and then quickly black from the bottom to the top. Then by the next day, you will have just dried white sticks with black gunk at the top.
You can see other photos of Coprinus comatus here on this site.