Mushroom Sightings
Mushroom Sightings
What's been spotted in the woods near you
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Mushrooms in Custer County, Idaho

Updated October 2026 · from open GBIF records
160mushroom records
107species recorded
Sepbusiest month
160 records since 1911 (5 in the last 10 years)

Fruiting now

Based on past sightings (mostly since 2011; all years where recent records are few), not a forecast. Weather and place matter a lot, and a listing here says nothing about whether a mushroom is safe.

Usually recorded in October here:

  • Ramaria amyloidea
    2 October records across all years
  • Ramaria cystidiophora
    2 October records across all years
⚠ 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.

Most-recorded species

#SpeciesRecords
1
4
2
4
3
4
4
Anthoporia albobrunnea
4
5
3
6
3
7
Ramaria amyloidea
3
8
2
9
2
10
2
11
2
12
2
13
2
14
2
15
2

Being on this list doesn't mean a mushroom is common, easy to identify or safe. It only means it has been recorded here often.

Best months to look

Jan1Feb0Mar0Apr0May0Jun9Jul22Aug50Sep54Oct18Nov0Dec0

Records by month, all years. Busiest: Sep, Aug, Jul.

Sightings map

1,23456,7,8,9

● Each dot is a place with at least one record (rounded to about 1 km). Locations can be approximate, and many are on private land. Numbered blue circles are recent sightings, shown only to a general area of about 10 km.

Recent sightings

The 9 most recent dated records in this county, newest first. Data as of October 26, 2026. Records can take weeks or more to reach GBIF, so the newest finds may not show yet. Places are given only as a public park or forest (from the USGS Protected Areas Database) or the nearest town, and the numbered circles on the map cover a general area, not an exact spot.

  1. 1
    Sep 4, 2026
    Tyromyces leucospongius
    in Sawtooth National Forest, ID · iNaturalist photo, research grade · original record
  2. 2
    Sep 4, 2026
    Giant Lentinus Neolentinus ponderosus
    in Sawtooth National Forest, ID · iNaturalist photo, research grade · original record
  3. 3
    Jun 30, 2023
    Spring King Boletus rex-veris
    in Custer County, ID · iNaturalist photo, research grade · original record
  4. 4
    Sep 4, 2020
    Common Earthball Scleroderma citrinum
    in Custer County, ID (location blurred by the observer) · iNaturalist photo, research grade · original record
  5. 5
    Jul 10, 2020
    Cep Boletus edulis
    near Stanley, ID · iNaturalist photo, research grade · original record
  6. 6
    Sep 29, 2007
    Phaeoclavulina myceliosa
    in Custer County, ID · museum/herbarium specimen (TENN-F) · original record
  7. 7
    Sep 29, 2007
    Ramaria testaceoflava
    in Custer County, ID · museum/herbarium specimen (TENN-F) · original record
  8. 8
    Sep 29, 2007
    Shiny Cinnamon Polypore Coltricia cinnamomea
    in Custer County, ID · museum/herbarium specimen (TENN-F) · original record
  9. 9
    Sep 29, 2007
    Rosy Woodwax Hygrophorus pudorinus
    in Custer County, ID · museum/herbarium specimen (TENN-F) · original record
Many sightings are on private land. Always get the landowner's permission, and follow the rules of parks and forests, which often limit or ban collecting.

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 Amazon

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How we built this page

160 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 147 CC0 and 13 CC BY 4.0. See about the data for the full citation.