Cyclocybe aegerita
Family Tubariaceae · Updated October 2026
30US records
13states
Junbusiest month
30 US records since 1900 (0 in the last 10 years)
Last seen Aug 10, 2014 (about 12 years ago) near Tampa, Hillsborough County, FL, a preserved specimen in University of South Florida Herbarium - Fungi including lichens. Most US records come from Idaho, Ohio and Pennsylvania, and the busiest months are Jun, Sep and Oct. (Data as of October 26, 2026; records can lag by weeks.)
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Lookalike warning. Many mushrooms, including deadly ones, closely resemble each other, and the only reliable identification comes from an expert looking at the actual specimen (often with spore prints or microscopy). Never use a name, photo or record count on this page to decide what something is.
When it's recorded
Records by month, all years. Busiest: Jun, Sep, Oct.
Top counties
- Clearwater County, ID (7) · latest Jun 29, 1920
- Franklin County, PA (2) · latest May 14, 1979
- Western Connecticut Planning Region, CT (2) · latest Aug 26, 1902
- Bonner County, ID (2) · latest 1915-09
- Mendocino County, CA (1) · latest Dec 27, 1962
- Westmoreland County, PA (1) · latest Sep 17, 1947
- Middlesex County, MA (1) · latest Oct 16, 1900
- Hampden County, MA (1) · latest Oct 3, 1960
- St. Martin Parish, LA (1) · latest Dec 3, 2007
- Grand Traverse County, MI (1) · latest 1907-09
More on this species from GBIF.
Bring along
🍄
Regional mushroom field guideSee on Amazon🍄
Folding mushroom knife with brushSee on Amazon🍄
Wicker foraging basketSee on Amazon🍄
10x hand lens / loupeSee on Amazon🍄
Spore print paperSee on AmazonAs an Amazon Associate we earn from qualifying purchases.