The One that (almost) Got Away Pt.2

Hypsizygus ulmarius (elm Oyster) in situIn early October my partner mentioned they had seen a solitary mushroom emerging from a wound in an elm tree on our local trail. I was interested, of course, but all the more so because it reminded me of the Muskoka Mystery Mushroom which had I found in similar habitat, but in a primordial stage that made it hard to ID. I immediately headed up there with my camera. I wasn’t going to make the same mistake as I did on the Cain Foray and just rely on my iPhone.

Mature elm oyster (H. ulmarius) with firm slightly striated stem stipeLong story short, it’s a very good candidate for the MMM. The horizontal stem emerging from deep in a wound. The very firm striated stipe. This was a very mature specimen quite dry and so no exudate, but that is not unexpected. Unfortunately I only have my memory to go on as the pictures of the MMM are not good.

Tom Robbins photo of hypsizygus ulmarius from The Mushroom Expert help from the FaceBook Mushroom ID Forum and a look at the Mushroom Expert website it seemed we had found an Elm Oyster (Hypsizygus ulmarius). Mystery solved. Perhaps, but this raised another question for me, because I thought I knew the Elm Oyster Because I grow them. Read more about the questions this raises…

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