Sheathed Woodtuft
Kuehneromyces mutabilis · Family Strophariaceae · Updated October 2026
114US records
18states
Augbusiest month
114 US records since 1913 (36 in the last 10 years)
Last seen Dec 19, 2024 (about 22 months ago) near Orick, Humboldt County, CA, a preserved specimen in INSDC Sequences. Most US records come from Washington, California and North Carolina, and the busiest months are Aug, Sep and Jul. (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: Aug, Sep, Jul.
Where it's recorded
Top counties
- Humboldt County, CA (15) · latest Dec 19, 2024
- Swain County, NC (10) · latest Jun 15, 2024
- Snohomish County, WA (7) · latest Sep 9, 2024
- King County, WA (5) · latest Sep 15, 2008
- Boulder County, CO (4) · latest Sep 10, 1995
- Pitkin County, CO (3) · latest Aug 15, 1991
- Kitsap County, WA (3) · latest Sep 21, 1997
- Sevier County, TN (3) · latest Jun 16, 1940
- Pierce County, WA (3) · latest Sep 23, 1960
- Northwest Arctic Borough, AK (3) · latest Aug 3, 2000
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.