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Large White Leucopax

Leucopaxillus albissimus · Family Tricholomataceae · Updated October 2026

433US records

28states

Augbusiest month

433 US records since 1895 (151 in the last 10 years)

Last seen Feb 19, 2026 (about 8 months ago) in Golden Gate National Recreation Area, CA, photographed by an iNaturalist user, with the ID agreed on by other iNaturalist users (research grade). Most US records come from New Jersey, California and Pennsylvania, and the busiest months are Aug, Oct 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, Oct, Jul.

Where it's recorded

State	Records	Latest sighting
New Jersey	191	Nov 3, 2019
California	96	Feb 19, 2026
Pennsylvania	24	Oct 26, 2019
Colorado	22	Aug 18, 2022
Washington	19	Oct 6, 2024
New York	18	Sep 4, 2021
Michigan	14	Aug 12, 1968
North Carolina	8	Nov 20, 2019
Minnesota	5	Jul 20, 2019
Idaho	5	Sep 6, 2008
West Virginia	5	Oct 15, 2002
Arizona	3	Aug 23, 2022

Top counties

Sussex County, NJ (36) · latest Sep 28, 2019
Ocean County, NJ (29) · latest Oct 26, 2019
Mercer County, NJ (23) · latest May 4, 2019
Morris County, NJ (22) · latest Jul 20, 2019
Santa Cruz County, CA (21) · latest Jan 9, 2026
Burlington County, NJ (19) · latest Oct 6, 2018
Hunterdon County, NJ (15) · latest Aug 25, 2019
Alameda County, CA (14) · latest Mar 9, 2024
Monmouth County, NJ (13) · latest Aug 22, 2015
Middlesex County, NJ (12) · latest Aug 18, 2019

Bring along

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Regional mushroom field guideSee on Amazon

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Folding mushroom knife with brushSee on Amazon

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Wicker foraging basketSee on Amazon

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10x hand lens / loupeSee on Amazon

🍄

Spore print paperSee on Amazon

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