description Elm Oyster Overview
Hypsizygus ulmarius, commonly called the elm oyster, is an edible wood-decay mushroom associated especially with living or recently dead broad-leaved trees, including elm. It produces firm, pale fruit bodies with broad caps and decurrent gills, usually from elevated positions on the host rather than directly from the ground. Despite its common name, it is not a true oyster mushroom in the genus Pleurotus, and the distinction matters for identification and cultivation.
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