Rhizomorpha subcorticalis
Family Physalacriaceae · Updated October 2026
32US records
6states
Octbusiest month
32 US records since 1879 (0 in the last 10 years)
Last seen Oct 7, 1932 (about 94 years ago) near Cynthiana, Highland County, OH, a preserved museum or herbarium specimen. Most US records come from New Jersey, Pennsylvania and New York, and the busiest months are Oct, Aug and Nov. (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, Aug, Nov.
Where it's recorded
| State | Records | Latest sighting |
|---|---|---|
| New Jersey | 15 | Nov 7, 1893 |
| Pennsylvania | 8 | 1882 |
| New York | 5 | Nov 20, 1910 |
| North Carolina | 2 | – |
| Ohio | 1 | Oct 7, 1932 |
| West Virginia | 1 | – |
Top counties
- Gloucester County, NJ (15) · latest Nov 7, 1893
- Chester County, PA (5) · latest 1881-08
- Delaware County, PA (2) · latest 1882
- Tompkins County, NY (2) · latest Nov 20, 1910
- Ontario County, NY (2) · latest 1889-08
- Highland County, OH (1) · latest Oct 7, 1932
- Northampton County, PA (1)
- Fayette County, WV (1)
- Durham County, NC (1)
- Montgomery County, NC (1)
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.