Efibula tuberculata
Family Irpicaceae · Updated October 2026
40US records
18states
Novbusiest month
40 US records since 1887 (0 in the last 10 years)
Last seen Jun 17, 2006 (about 20 years ago) near Falcon Heights, Ramsey County, MN, a preserved specimen in Bell Museum fungi. Most US records come from New Jersey, Louisiana and Wisconsin, and the busiest months are Nov, Jun and Sep. (Data as of October 26, 2026; records can lag by weeks.)
⚠ Never eat a wild mushroom based on this site. We show where fungi have been recorded, nothing more. We never say any mushroom is edible or safe, and you shouldn't decide that from any website, app or photo. Many deadly mushrooms look like harmless ones. If someone may have eaten a wild mushroom, call Poison Control at 1-800-222-1222 right away.
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: Nov, Jun, Sep.
Where it's recorded
Top counties
- Gloucester County, NJ (4) · latest Mar 10, 1898
- Dane County, WI (4) · latest 1902-11
- Orleans Parish, LA (3) · latest Oct 25, 1977
- Mercer County, NJ (2)
- Armstrong County, PA (2) · latest 1905
- Carroll County, NH (2) · latest Jun 9, 1933
- Roane County, TN (2) · latest Aug 14, 1982
- Iosco County, MI (2)
- Ramsey County, MN (1) · latest Jun 17, 2006
- East Baton Rouge Parish, LA (1) · latest Sep 4, 1981
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.