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Dripping Bonnet

Roridomyces roridus · Family Mycenaceae · Updated October 2026

322US records

17states

Octbusiest month

322 US records since 1906 (114 in the last 10 years)

Last seen Feb 17, 2026 (about 8 months ago) near Felton, Santa Cruz County, 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 Washington, and the busiest months are Oct, Aug 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: Oct, Aug, Jul.

Where it's recorded

State	Records	Latest sighting
New Jersey	191	Nov 3, 2019
California	38	Feb 17, 2026
Washington	25	Oct 18, 2024
Pennsylvania	20	May 18, 2019
Tennessee	10	Jun 4, 2018
North Carolina	9	Jul 17, 2020
Alaska	6	Aug 2, 1998
Colorado	5	Aug 12, 2005
Michigan	4	Jul 27, 1957
New York	3	Jul 4, 2023
Oregon	3	Aug 15, 1986
Massachusetts	2	Sep 1, 1985

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
Burlington County, NJ (19) · latest Oct 6, 2018
Humboldt County, CA (16) · latest Nov 22, 2025
Hunterdon County, NJ (15) · latest Aug 25, 2019
Monmouth County, NJ (13) · latest Aug 22, 2015
Middlesex County, NJ (12) · latest Aug 18, 2019
Warren County, NJ (11) · latest Jul 28, 2019

Bring along

🍄

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

🍄

10x hand lens / loupeSee on Amazon

🍄

Spore print paperSee on Amazon

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