Delicate Spongepore
Spongiporus perdelicatus · Family Dacryobolaceae · Updated October 2026
30US records
4states
Octbusiest month
30 US records since 1911 (4 in the last 10 years)
Last seen Apr 27, 2024 (about 2 years ago) in Fresno County, CA, a preserved specimen in International Barcode of Life project (iBOL). Most US records come from Washington, California and Montana, and the busiest months are Oct, May 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: Oct, May, Sep.
Where it's recorded
| State | Records | Latest sighting |
|---|---|---|
| Washington | 22 | Oct 20, 2014 |
| California | 4 | Apr 27, 2024 |
| Montana | 2 | Aug 5, 1966 |
| Idaho | 2 | Sep 29, 1920 |
Top counties
- Pend Oreille County, WA (8) · latest Oct 16, 2014
- King County, WA (6) · latest Dec 12, 2004
- Clallam County, WA (3) · latest Oct 8, 2014
- Jefferson County, WA (2) · latest Oct 20, 2014
- Snohomish County, WA (2) · latest Nov 1, 1952
- Lincoln County, MT (1) · latest Aug 5, 1966
- Pierce County, WA (1) · latest Oct 10, 2014
- Siskiyou County, CA (1) · latest May 29, 2023
- Calaveras County, CA (1) · latest Jun 4, 2023
- Tuolumne County, CA (1) · latest May 10, 2023
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.