Mushroom Observer
Catalog #: MUOB 151920
Taxon: Hypsizygus ulmarius (Bull.) Redhead
Family: Lyophyllaceae
Collector: Jon Shaffer   MUOB 151920   
Date: 2013-11-12
Verbatim Date: 2013-11-12
Locality: United States, Missouri, Jasper
37.2061  -94.3354
Description: Original observation #151920 (Mushroom Observer)
Occurrence Remarks: Growing out of a hole in a tree with long stems. Notched gills, not decurrent. No sack/volva that I could see but the stem went way back into the hole and I could not get to the base of them. The mushroom is heavy and has a glossy sheen on the cap. The stipe is strong and solid with a spongy center, could be caused by bugs. None seen though. Temperature is 34F here today. Smell OK, not strong. Seem like oyster mushrooms, just different than I've seen with the long stem, the longest of which was about 4 inches. 5% KOH negative on stipe, cap and context.
Specimen Images
Rights Holder: MO Observers
Record Id: a175c211-04bc-4d98-807c-f417aab62cd9
For additional information on this occurrence, please contact: Nathan Wilson (
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