Omphalotaceae
Omphalotaceae is a lesson in why a family name is never enough. It holds a beloved edible and a genuinely toxic one.
What defines Omphalotaceae
This is a family of gilled, wood-associated mushrooms whose members look nothing alike at a glance. The link is in their structure, not their silhouette.
That mismatch is the whole point of this page.
The prized member: shiitake
Shiitake grows on hardwood logs and is one of the most cultivated mushrooms in the world. It is safe cooked, meaty, and forgiving to grow at home on logs or sawdust.
The toxic member: jack o'lantern
The jack o'lantern grows in dense orange clusters on wood and stumps. It has true, sharp gills, and its fresh gills can glow faintly in the dark.
People mistake it for a chanterelle and end up with hours of cramps and vomiting.
Warning
The jack o'lantern is toxic, not deadly, but it causes severe illness. Clustered growth on wood plus true gills means put it down.
The lesson of one family
Two relatives, one for the pan and one for the emergency room. Always identify to species, never stop at the family.