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Thiers' Lepidella
A white, shaggy grassland Amanita that decomposes grass litter instead of forming mycorrhizae with trees. First described from Texas, it has spread through the Mississippi River basin; it is now the most common lawn mushroom in central Illinois in July and August and reaches southern Ohio. It often fruits in arcs or fairy rings and is suspected to be poisonous.
Suspected poisonous; do not eat. A possible poisoning in Puebla, Mexico, involved reversible kidney impairment, and a Meixner test there did not detect amatoxins. Related lepidellas such as Amanita smithiana cause kidney failure. Being white with a ring and white spores, it can also be confused with deadly destroying angels. Handling is harmless; poisoning occurs only on ingestion.
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Mycology is an evolving science: names, classifications and safety information change as research advances. Entries are compiled from cited sources and reviewed, but may be incomplete or out of date — check the sources, and never rely on this library alone to identify or eat a mushroom.
