Gizmo22 Posted May 10, 2022 Report Share Posted May 10, 2022 Have several dead spots showing up on a green at our golf course.  We cut out a couple of them to see what was beneath, and this is what we found. The dark spot on image 0604 is just poking through the surface.  I assume they would continue to grow above the surface if it wasn't on a golf green that is mowed every day.   The best way I can describe the odor is "earthy", with maybe a bit of metallic smell, not unpleasant. Quote Link to comment Share on other sites More sharing options...
Dave W Posted May 10, 2022 Report Share Posted May 10, 2022 That's really interesting! Last photo shows what appears to be the outline of a sectioned mushroom cap squeezed into the club-shaped entity. Not good proposal on an ID. The only things that comes to my mind are... 1. Lyophyllum decastes, a clustered mushroom sometimes found on lawns during spring; 2. a species of Coprinopsis, like maybe C. variegata or C. altramanteria. The darkening fruit bodies seen in the 3rd photo suggest these may be a type of "ink-cap mushroom." These types become black as they turn into a goopy black inky substance. This supports the Coprinopsis idea. If you end up observing additional details about these, I'd enjoy seen more photos. Quote Link to comment Share on other sites More sharing options...
Gizmo22 Posted May 11, 2022 Author Report Share Posted May 11, 2022 Thanks for the info. Â There is a black inky substance now on what must be the more mature spots. Â Quote Link to comment Share on other sites More sharing options...
Dave W Posted May 14, 2022 Report Share Posted May 14, 2022 Coprinopsis species. Quote Link to comment Share on other sites More sharing options...
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