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Mushroom Sightings
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Calonarius verrucisporus

Calonarius verrucisporus (Calonarius verrucisporus), photo
Photo: no rights reserved, CC0 · iNaturalist
Family Cortinariaceae · Updated October 2026
35US records
2states
Junbusiest month
35 US records since 1966 (5 in the last 10 years)

Last seen Jul 10, 2020 (about 6 years ago) in Modoc National Forest, CA, photographed by an iNaturalist user, with the ID agreed on by other iNaturalist users (research grade). Most US records come from California and Tennessee, and the busiest months are Jun, Jul and May. (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

Jan0Feb0Mar0Apr0May6Jun16Jul7Aug2Sep4Oct0Nov0Dec0

Records by month, all years. Busiest: Jun, Jul, May.

Where it's recorded

StateRecordsLatest sighting
California34Jul 10, 2020
Tennessee1Sep 18, 2017

Top counties

More on this species from GBIF.

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
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Spore print paperSee on Amazon

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