White Chalk Mushroom
Leucocoprinus cretaceus · Family Agaricaceae · Updated October 2026
73US records
18states
Sepbusiest month
73 US records since 1875 (31 in the last 10 years)
Last seen Apr 27, 2026 (about 6 months ago) near San Antonio, Bexar County, TX, photographed by an iNaturalist user, with the ID agreed on by other iNaturalist users (research grade). Most US records come from Florida, North Carolina and Texas, and the busiest months are Sep, Jul and Aug. (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: Sep, Jul, Aug.
Where it's recorded
Top counties
- Alachua County, FL (14) · latest Sep 21, 2017
- Orange County, NC (12) · latest Sep 11, 1946
- District of Columbia, DC (2) · latest 1919-07
- Unicoi County, TN (2)
- Montgomery County, AL (2)
- Darlington County, SC (2) · latest Sep 16, 1936
- Summit County, OH (2) · latest Aug 23, 2021
- Honolulu County, HI (2) · latest Jan 13, 2026
- Bexar County, TX (2) · latest Apr 27, 2026
- King County, WA (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.