Whothatchineze Posted December 20, 2018 Report Share Posted December 20, 2018 Found a large ring of mushrooms out in my garden. The tops felt leathery, no slime at all. Quote Link to comment Share on other sites More sharing options...
Dave W Posted December 20, 2018 Report Share Posted December 20, 2018 Some species of Agaricus. These are tricky to ID to species. Any odor noted? Quote Link to comment Share on other sites More sharing options...
Whothatchineze Posted December 21, 2018 Author Report Share Posted December 21, 2018 Mild earthy smell, nothing overwhelming. Had to stick my nose into the mushroom to get that scent. Quote Link to comment Share on other sites More sharing options...
Dave W Posted December 21, 2018 Report Share Posted December 21, 2018 These look like Agaricus californicus, a western NA species that is poisonous to many people. The cut/damaged flesh may stain yellow, although descriptions of A. californicus say this trait is variable. The book Agaricus of North America says the yellowing is usually absent unless the chemical KOH is applied. Also, like some of the other poisonous Agaricus species, the mushrooms may have a phenol/medicinal odor. But this trait is also listed as variable. A. californicus has a general appearance that is somewhat similar to different edible types A. campestris and A. bisporus. I have never seen A. californicus (except in photos; it does not occur here in eastern NA). But, the persistent rings and the somewhat shiny/lustrous cap surfaces seen in this thread support the A. califiornicus proposal. https://en.wikipedia.org/wiki/Agaricus_californicus Quote Link to comment Share on other sites More sharing options...
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